Frequencies for first 10,000 rows of vldtn_srvy_dt variable in pos2011 dataset : Date of | Validation | Survey | Freq. Percent Cum. ------------+----------------------------------- 31 Mar 74 | 1 0.01 0.01 30 Jun 74 | 3 0.03 0.04 27 Mar 75 | 1 0.01 0.05 09 Jul 75 | 1 0.01 0.06 10 Jul 75 | 1 0.01 0.07 21 Sep 76 | 1 0.01 0.08 06 Oct 76 | 1 0.01 0.09 02 Dec 76 | 1 0.01 0.10 21 Dec 76 | 1 0.01 0.11 15 Apr 77 | 1 0.01 0.12 24 Jun 77 | 1 0.01 0.13 07 Jul 77 | 1 0.01 0.14 18 Aug 77 | 1 0.01 0.15 26 Oct 78 | 1 0.01 0.16 07 Mar 79 | 1 0.01 0.17 08 Jun 79 | 1 0.01 0.18 09 Aug 79 | 1 0.01 0.19 02 Nov 79 | 1 0.01 0.20 20 Jan 80 | 2 0.02 0.22 07 Feb 80 | 1 0.01 0.23 04 Apr 80 | 1 0.01 0.24 08 Apr 80 | 1 0.01 0.25 16 Apr 80 | 1 0.01 0.26 23 Apr 80 | 1 0.01 0.27 04 Aug 80 | 1 0.01 0.28 13 Aug 80 | 1 0.01 0.29 03 Dec 80 | 1 0.01 0.30 06 Dec 80 | 1 0.01 0.31 03 Apr 81 | 1 0.01 0.32 03 Aug 81 | 1 0.01 0.33 13 Aug 81 | 1 0.01 0.34 16 Sep 81 | 1 0.01 0.35 30 Mar 82 | 1 0.01 0.36 27 May 82 | 1 0.01 0.37 24 Jun 82 | 1 0.01 0.38 19 Aug 82 | 1 0.01 0.39 27 Oct 82 | 1 0.01 0.40 18 Feb 83 | 1 0.01 0.41 22 Feb 83 | 1 0.01 0.42 21 Jun 83 | 1 0.01 0.43 12 Aug 83 | 1 0.01 0.44 20 Dec 83 | 1 0.01 0.45 01 Feb 85 | 1 0.01 0.46 26 Feb 85 | 1 0.01 0.47 21 May 85 | 1 0.01 0.48 26 Jul 85 | 1 0.01 0.49 07 May 87 | 1 0.01 0.50 14 Jul 87 | 1 0.01 0.51 03 Aug 87 | 1 0.01 0.52 06 Aug 87 | 1 0.01 0.53 14 Aug 87 | 1 0.01 0.54 16 Oct 87 | 1 0.01 0.55 01 Dec 87 | 1 0.01 0.56 04 Dec 87 | 1 0.01 0.57 22 Dec 87 | 1 0.01 0.58 30 Dec 87 | 1 0.01 0.59 05 Jan 88 | 1 0.01 0.60 25 Feb 88 | 1 0.01 0.61 02 Mar 88 | 1 0.01 0.62 22 Mar 88 | 1 0.01 0.63 04 Apr 88 | 1 0.01 0.64 02 May 88 | 1 0.01 0.65 19 May 88 | 1 0.01 0.66 09 Jun 88 | 1 0.01 0.67 28 Jun 88 | 1 0.01 0.68 30 Jun 88 | 1 0.01 0.69 18 Jul 88 | 2 0.02 0.71 26 Jul 88 | 1 0.01 0.72 02 Aug 88 | 1 0.01 0.73 09 Aug 88 | 1 0.01 0.74 23 Aug 88 | 1 0.01 0.75 03 Feb 89 | 1 0.01 0.76 30 Mar 89 | 1 0.01 0.77 17 Apr 89 | 1 0.01 0.78 19 Apr 89 | 1 0.01 0.79 31 May 89 | 1 0.01 0.80 13 Oct 89 | 1 0.01 0.81 21 Dec 89 | 1 0.01 0.82 25 Jan 90 | 1 0.01 0.83 04 May 90 | 1 0.01 0.84 24 May 90 | 1 0.01 0.85 19 Jun 90 | 1 0.01 0.86 20 Jun 90 | 1 0.01 0.87 07 Aug 90 | 1 0.01 0.88 24 Aug 90 | 1 0.01 0.89 18 Oct 90 | 1 0.01 0.90 05 Dec 90 | 1 0.01 0.91 09 Jan 91 | 1 0.01 0.92 18 Jan 91 | 1 0.01 0.93 21 Jan 91 | 1 0.01 0.94 25 Jan 91 | 1 0.01 0.95 05 Mar 91 | 1 0.01 0.96 06 Mar 91 | 1 0.01 0.97 07 Mar 91 | 1 0.01 0.98 21 Mar 91 | 1 0.01 0.99 02 May 91 | 1 0.01 1.00 10 May 91 | 1 0.01 1.01 14 May 91 | 1 0.01 1.02 15 May 91 | 1 0.01 1.03 17 May 91 | 1 0.01 1.04 13 Jun 91 | 1 0.01 1.05 17 Jul 91 | 1 0.01 1.06 01 Aug 91 | 1 0.01 1.07 20 Aug 91 | 1 0.01 1.08 23 Aug 91 | 1 0.01 1.09 01 Oct 91 | 1 0.01 1.10 29 Oct 91 | 1 0.01 1.11 13 Dec 91 | 1 0.01 1.12 19 Dec 91 | 1 0.01 1.13 07 Jan 92 | 2 0.02 1.15 13 Feb 92 | 1 0.01 1.16 26 Feb 92 | 1 0.01 1.17 27 Feb 92 | 1 0.01 1.18 13 Mar 92 | 1 0.01 1.19 07 Apr 92 | 1 0.01 1.20 08 Apr 92 | 1 0.01 1.21 10 Apr 92 | 1 0.01 1.22 22 Apr 92 | 1 0.01 1.23 05 May 92 | 1 0.01 1.24 07 May 92 | 1 0.01 1.25 12 May 92 | 1 0.01 1.26 20 May 92 | 1 0.01 1.27 24 Jun 92 | 1 0.01 1.28 10 Aug 92 | 1 0.01 1.29 11 Aug 92 | 1 0.01 1.30 12 Aug 92 | 1 0.01 1.31 17 Aug 92 | 1 0.01 1.32 30 Sep 92 | 1 0.01 1.33 01 Feb 93 | 1 0.01 1.34 03 Feb 93 | 2 0.02 1.36 12 Mar 93 | 1 0.01 1.37 19 Mar 93 | 1 0.01 1.38 25 Mar 93 | 1 0.01 1.39 31 Mar 93 | 1 0.01 1.40 22 Apr 93 | 1 0.01 1.41 14 May 93 | 1 0.01 1.42 08 Jun 93 | 1 0.01 1.43 09 Jun 93 | 1 0.01 1.44 10 Jun 93 | 1 0.01 1.45 22 Jun 93 | 1 0.01 1.46 20 Jul 93 | 1 0.01 1.47 28 Jul 93 | 1 0.01 1.48 19 Aug 93 | 1 0.01 1.49 20 Aug 93 | 1 0.01 1.50 25 Aug 93 | 1 0.01 1.51 23 Nov 93 | 1 0.01 1.52 15 Feb 94 | 1 0.01 1.53 24 Feb 94 | 1 0.01 1.54 04 Mar 94 | 1 0.01 1.55 06 Apr 94 | 1 0.01 1.56 14 Apr 94 | 1 0.01 1.57 20 Apr 94 | 1 0.01 1.58 18 May 94 | 1 0.01 1.59 24 May 94 | 1 0.01 1.60 15 Jun 94 | 1 0.01 1.61 22 Jun 94 | 1 0.01 1.62 28 Jun 94 | 1 0.01 1.63 29 Jun 94 | 1 0.01 1.64 26 Jul 94 | 2 0.02 1.66 18 Aug 94 | 1 0.01 1.67 31 Aug 94 | 1 0.01 1.68 09 Jan 95 | 1 0.01 1.69 24 Feb 95 | 1 0.01 1.70 07 Mar 95 | 1 0.01 1.71 16 Mar 95 | 1 0.01 1.72 29 Mar 95 | 1 0.01 1.73 06 Apr 95 | 1 0.01 1.74 13 Apr 95 | 1 0.01 1.75 26 May 95 | 1 0.01 1.76 31 May 95 | 1 0.01 1.77 19 Jun 95 | 1 0.01 1.78 22 Jun 95 | 1 0.01 1.79 23 Jun 95 | 1 0.01 1.80 13 Jul 95 | 1 0.01 1.81 19 Jul 95 | 1 0.01 1.82 27 Jul 95 | 1 0.01 1.83 10 Aug 95 | 1 0.01 1.84 15 Aug 95 | 1 0.01 1.85 04 Apr 96 | 1 0.01 1.86 05 Apr 96 | 1 0.01 1.87 24 Apr 96 | 1 0.01 1.88 20 May 96 | 1 0.01 1.89 03 Jun 96 | 1 0.01 1.90 05 Jun 96 | 1 0.01 1.91 07 Jun 96 | 1 0.01 1.92 21 Aug 96 | 1 0.01 1.93 23 Dec 96 | 1 0.01 1.94 14 Mar 97 | 1 0.01 1.95 10 Apr 97 | 1 0.01 1.96 11 Apr 97 | 1 0.01 1.97 16 Apr 97 | 1 0.01 1.98 17 Apr 97 | 1 0.01 1.99 09 May 97 | 1 0.01 2.00 14 May 97 | 1 0.01 2.01 16 May 97 | 1 0.01 2.02 22 May 97 | 1 0.01 2.03 30 May 97 | 1 0.01 2.04 09 Jun 97 | 1 0.01 2.05 12 Jun 97 | 1 0.01 2.06 09 Jul 97 | 1 0.01 2.07 16 Jul 97 | 1 0.01 2.08 25 Jul 97 | 1 0.01 2.09 02 Oct 97 | 1 0.01 2.10 30 Jan 98 | 1 0.01 2.11 12 Mar 98 | 1 0.01 2.12 31 Mar 98 | 1 0.01 2.13 01 Apr 98 | 1 0.01 2.14 28 Apr 98 | 1 0.01 2.15 13 May 98 | 1 0.01 2.16 04 Jun 98 | 1 0.01 2.17 10 Jun 98 | 1 0.01 2.18 16 Jun 98 | 1 0.01 2.19 17 Jun 98 | 1 0.01 2.20 19 Jun 98 | 1 0.01 2.21 16 Jul 98 | 2 0.02 2.23 25 Aug 98 | 2 0.02 2.25 07 Jan 99 | 1 0.01 2.26 11 Jan 99 | 1 0.01 2.27 13 May 99 | 1 0.01 2.28 01 Jul 99 | 1 0.01 2.29 02 Jul 99 | 1 0.01 2.30 19 Jul 99 | 1 0.01 2.31 06 Aug 99 | 1 0.01 2.32 12 Aug 99 | 1 0.01 2.33 14 Sep 99 | 1 0.01 2.34 15 Sep 99 | 1 0.01 2.35 16 Sep 99 | 2 0.02 2.37 17 Sep 99 | 1 0.01 2.38 13 Oct 99 | 1 0.01 2.39 14 Oct 99 | 1 0.01 2.40 28 Oct 99 | 1 0.01 2.41 10 Nov 99 | 1 0.01 2.42 20 Dec 99 | 1 0.01 2.43 13 Jan 00 | 1 0.01 2.44 21 Jan 00 | 1 0.01 2.45 03 Feb 00 | 1 0.01 2.46 06 Apr 00 | 1 0.01 2.47 04 May 00 | 1 0.01 2.48 24 May 00 | 1 0.01 2.49 01 Jun 00 | 2 0.02 2.51 08 Jun 00 | 1 0.01 2.52 14 Jun 00 | 1 0.01 2.53 12 Jul 00 | 1 0.01 2.54 13 Jul 00 | 1 0.01 2.55 26 Jul 00 | 1 0.01 2.56 04 Aug 00 | 1 0.01 2.57 08 Aug 00 | 1 0.01 2.58 09 Aug 00 | 2 0.02 2.60 08 Sep 00 | 1 0.01 2.61 17 Nov 00 | 1 0.01 2.62 27 Nov 00 | 1 0.01 2.63 13 Dec 00 | 1 0.01 2.64 15 Dec 00 | 1 0.01 2.65 22 Dec 00 | 1 0.01 2.66 25 Jan 01 | 2 0.02 2.68 30 Jan 01 | 1 0.01 2.69 13 Feb 01 | 1 0.01 2.70 21 Feb 01 | 1 0.01 2.71 16 Mar 01 | 1 0.01 2.72 23 Mar 01 | 1 0.01 2.73 10 May 01 | 1 0.01 2.74 07 Jun 01 | 1 0.01 2.75 13 Jun 01 | 1 0.01 2.76 28 Jun 01 | 1 0.01 2.77 29 Jun 01 | 1 0.01 2.78 26 Jul 01 | 1 0.01 2.79 13 Sep 01 | 1 0.01 2.80 18 Sep 01 | 1 0.01 2.81 25 Sep 01 | 2 0.02 2.83 27 Sep 01 | 1 0.01 2.84 17 Oct 01 | 1 0.01 2.85 30 Nov 01 | 1 0.01 2.86 17 Dec 01 | 1 0.01 2.87 16 Jan 02 | 1 0.01 2.88 24 Jan 02 | 1 0.01 2.89 31 Jan 02 | 1 0.01 2.90 01 Feb 02 | 1 0.01 2.91 10 Apr 02 | 1 0.01 2.92 13 Apr 02 | 1 0.01 2.93 10 May 02 | 1 0.01 2.94 22 May 02 | 1 0.01 2.95 23 May 02 | 1 0.01 2.96 12 Jun 02 | 1 0.01 2.97 20 Jun 02 | 1 0.01 2.98 27 Jun 02 | 1 0.01 2.99 31 Jul 02 | 1 0.01 3.00 06 Aug 02 | 1 0.01 3.01 20 Aug 02 | 1 0.01 3.02 23 Aug 02 | 1 0.01 3.03 28 Aug 02 | 2 0.02 3.05 05 Sep 02 | 1 0.01 3.06 27 Sep 02 | 1 0.01 3.07 03 Oct 02 | 1 0.01 3.08 23 Oct 02 | 1 0.01 3.09 31 Oct 02 | 1 0.01 3.10 07 Nov 02 | 1 0.01 3.11 21 Nov 02 | 1 0.01 3.12 13 Dec 02 | 1 0.01 3.13 24 Jan 03 | 1 0.01 3.14 05 Feb 03 | 1 0.01 3.15 07 Feb 03 | 1 0.01 3.16 06 Mar 03 | 1 0.01 3.17 11 Mar 03 | 1 0.01 3.18 13 Mar 03 | 1 0.01 3.19 10 Apr 03 | 1 0.01 3.20 30 Jun 03 | 1 0.01 3.21 25 Sep 03 | 1 0.01 3.22 19 Apr 04 | 1 0.01 3.23 14 May 04 | 1 0.01 3.24 30 Jun 04 | 1 0.01 3.25 24 Nov 04 | 1 0.01 3.26 09 Dec 04 | 1 0.01 3.27 21 Apr 05 | 1 0.01 3.28 03 Jun 05 | 1 0.01 3.29 14 Jun 05 | 1 0.01 3.30 26 Jul 05 | 1 0.01 3.31 03 Mar 06 | 1 0.01 3.32 10 Mar 06 | 1 0.01 3.33 13 Apr 06 | 1 0.01 3.34 14 Apr 06 | 1 0.01 3.35 20 Apr 06 | 1 0.01 3.36 02 Jun 06 | 1 0.01 3.37 29 Jun 06 | 2 0.02 3.39 03 Aug 06 | 1 0.01 3.40 27 Sep 06 | 1 0.01 3.41 06 Oct 06 | 1 0.01 3.42 12 Apr 07 | 1 0.01 3.43 13 Apr 07 | 1 0.01 3.44 17 Apr 07 | 1 0.01 3.45 12 Jul 07 | 1 0.01 3.46 30 Aug 07 | 1 0.01 3.47 13 Sep 07 | 1 0.01 3.48 24 Sep 07 | 1 0.01 3.49 27 Sep 07 | 1 0.01 3.50 05 Oct 07 | 1 0.01 3.51 25 Oct 07 | 1 0.01 3.52 16 Nov 07 | 1 0.01 3.53 09 Jan 08 | 1 0.01 3.54 01 Feb 08 | 1 0.01 3.55 15 Apr 08 | 1 0.01 3.56 13 May 08 | 1 0.01 3.57 06 Jun 08 | 1 0.01 3.58 19 Jun 08 | 1 0.01 3.59 31 Jul 08 | 1 0.01 3.60 17 Sep 08 | 1 0.01 3.61 06 Nov 08 | 1 0.01 3.62 04 Dec 08 | 1 0.01 3.63 09 Feb 09 | 1 0.01 3.64 12 Mar 09 | 1 0.01 3.65 09 Apr 09 | 2 0.02 3.67 22 Apr 09 | 1 0.01 3.68 28 May 09 | 1 0.01 3.69 08 Jun 09 | 1 0.01 3.70 10 Jun 09 | 1 0.01 3.71 15 Jul 09 | 1 0.01 3.72 30 Jul 09 | 1 0.01 3.73 06 Aug 09 | 1 0.01 3.74 03 Dec 09 | 1 0.01 3.75 04 Dec 09 | 1 0.01 3.76 19 Jan 10 | 1 0.01 3.77 29 Jan 10 | 1 0.01 3.78 13 May 10 | 1 0.01 3.79 14 May 10 | 1 0.01 3.80 15 Jul 10 | 1 0.01 3.81 08 Sep 10 | 1 0.01 3.82 21 Oct 10 | 1 0.01 3.83 11 Nov 10 | 1 0.01 3.84 17 Dec 10 | 1 0.01 3.85 18 Feb 11 | 1 0.01 3.86 10 Mar 11 | 1 0.01 3.87 16 Mar 11 | 1 0.01 3.88 17 Mar 11 | 1 0.01 3.89 24 Mar 11 | 1 0.01 3.90 30 Mar 11 | 1 0.01 3.91 13 May 11 | 1 0.01 3.92 19 May 11 | 1 0.01 3.93 01 Jun 11 | 1 0.01 3.94 19 Jul 11 | 1 0.01 3.95 19 Oct 11 | 1 0.01 3.96 02 Dec 11 | 1 0.01 3.97 . | 9,603 96.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Apr 2019