Frequencies for first 10,000 rows of PSYCH_UNIT_EFCTV_DT variable in pos2011 dataset : Psychiatric | Unit | Effective | Date | Freq. Percent Cum. ------------+----------------------------------- 01 Oct 83 | 5 0.05 0.05 01 Jan 84 | 9 0.09 0.14 01 Feb 84 | 1 0.01 0.15 01 Apr 84 | 1 0.01 0.16 01 May 84 | 1 0.01 0.17 01 Jun 84 | 1 0.01 0.18 01 Jul 84 | 35 0.35 0.53 01 Aug 84 | 1 0.01 0.54 01 Sep 84 | 2 0.02 0.56 23 Sep 84 | 1 0.01 0.57 01 Nov 84 | 1 0.01 0.58 01 Jan 85 | 4 0.04 0.62 01 Jul 86 | 3 0.03 0.65 01 Oct 86 | 1 0.01 0.66 01 Jun 87 | 2 0.02 0.68 01 Jul 87 | 1 0.01 0.69 01 Oct 87 | 2 0.02 0.71 01 Jan 88 | 2 0.02 0.73 01 Jun 88 | 1 0.01 0.74 26 Jun 88 | 1 0.01 0.75 01 Jul 88 | 5 0.05 0.80 01 Aug 88 | 1 0.01 0.81 01 Oct 88 | 2 0.02 0.83 01 Jan 89 | 5 0.05 0.88 01 Jul 89 | 4 0.04 0.92 01 Jan 90 | 2 0.02 0.94 01 Apr 90 | 1 0.01 0.95 01 Jun 90 | 1 0.01 0.96 01 Jul 90 | 4 0.04 1.00 01 Oct 90 | 1 0.01 1.01 01 Dec 90 | 1 0.01 1.02 01 Apr 91 | 2 0.02 1.04 01 May 91 | 3 0.03 1.07 07 Jun 91 | 1 0.01 1.08 01 Jul 91 | 1 0.01 1.09 11 Sep 91 | 1 0.01 1.10 01 Oct 91 | 4 0.04 1.14 18 Dec 91 | 1 0.01 1.15 01 Jan 92 | 1 0.01 1.16 01 May 92 | 1 0.01 1.17 01 Jun 92 | 1 0.01 1.18 01 Jul 92 | 4 0.04 1.22 01 Sep 92 | 3 0.03 1.25 01 Oct 92 | 1 0.01 1.26 09 Nov 92 | 1 0.01 1.27 16 Nov 92 | 1 0.01 1.28 01 Jan 93 | 2 0.02 1.30 17 May 93 | 1 0.01 1.31 26 May 93 | 1 0.01 1.32 01 Jul 93 | 6 0.06 1.38 01 Sep 93 | 1 0.01 1.39 01 Oct 93 | 3 0.03 1.42 01 Nov 93 | 1 0.01 1.43 29 Nov 93 | 1 0.01 1.44 07 Dec 93 | 1 0.01 1.45 01 Jan 94 | 7 0.07 1.52 01 Apr 94 | 2 0.02 1.54 01 Jun 94 | 1 0.01 1.55 03 Jun 94 | 1 0.01 1.56 01 Jul 94 | 4 0.04 1.60 26 Aug 94 | 1 0.01 1.61 01 Oct 94 | 5 0.05 1.66 01 Jan 95 | 7 0.07 1.73 18 Mar 95 | 1 0.01 1.74 29 Mar 95 | 1 0.01 1.75 31 Mar 95 | 1 0.01 1.76 20 Apr 95 | 2 0.02 1.78 21 Apr 95 | 1 0.01 1.79 01 Jul 95 | 2 0.02 1.81 01 Sep 95 | 2 0.02 1.83 25 Sep 95 | 1 0.01 1.84 01 Oct 95 | 2 0.02 1.86 01 Jan 96 | 1 0.01 1.87 01 Feb 96 | 1 0.01 1.88 01 Jun 96 | 2 0.02 1.90 01 Jul 96 | 4 0.04 1.94 01 Sep 96 | 1 0.01 1.95 01 Nov 96 | 1 0.01 1.96 01 Jan 97 | 1 0.01 1.97 01 Feb 97 | 1 0.01 1.98 01 Mar 97 | 2 0.02 2.00 01 Jun 97 | 2 0.02 2.02 30 Jun 97 | 1 0.01 2.03 01 Jul 97 | 3 0.03 2.06 01 Sep 97 | 1 0.01 2.07 01 Oct 97 | 1 0.01 2.08 01 Dec 97 | 1 0.01 2.09 19 Dec 97 | 1 0.01 2.10 31 Dec 97 | 2 0.02 2.12 01 Jan 98 | 1 0.01 2.13 24 Mar 98 | 1 0.01 2.14 31 Mar 98 | 1 0.01 2.15 19 Apr 98 | 1 0.01 2.16 27 Apr 98 | 4 0.04 2.20 29 Apr 98 | 2 0.02 2.22 13 May 98 | 1 0.01 2.23 18 May 98 | 1 0.01 2.24 22 May 98 | 1 0.01 2.25 27 May 98 | 1 0.01 2.26 01 Jun 98 | 3 0.03 2.29 30 Jun 98 | 1 0.01 2.30 01 Jul 98 | 5 0.05 2.35 01 Aug 98 | 1 0.01 2.36 03 Aug 98 | 1 0.01 2.37 05 Aug 98 | 2 0.02 2.39 06 Aug 98 | 1 0.01 2.40 25 Aug 98 | 1 0.01 2.41 01 Sep 98 | 2 0.02 2.43 26 Dec 98 | 1 0.01 2.44 01 Jan 99 | 1 0.01 2.45 01 Apr 99 | 1 0.01 2.46 01 Jun 99 | 1 0.01 2.47 01 Oct 99 | 1 0.01 2.48 01 Feb 00 | 1 0.01 2.49 01 Jul 00 | 1 0.01 2.50 01 Sep 00 | 1 0.01 2.51 18 Oct 00 | 1 0.01 2.52 01 Jan 01 | 1 0.01 2.53 13 Jun 01 | 1 0.01 2.54 18 Jun 01 | 1 0.01 2.55 01 Jul 02 | 1 0.01 2.56 01 Oct 02 | 2 0.02 2.58 01 Jul 03 | 2 0.02 2.60 01 Oct 03 | 2 0.02 2.62 01 May 04 | 1 0.01 2.63 30 Jun 04 | 1 0.01 2.64 01 Jul 04 | 4 0.04 2.68 10 Aug 04 | 1 0.01 2.69 10 Nov 04 | 1 0.01 2.70 08 Mar 05 | 4 0.04 2.74 01 Jul 05 | 1 0.01 2.75 03 Aug 05 | 1 0.01 2.76 01 Sep 05 | 1 0.01 2.77 01 Jul 06 | 1 0.01 2.78 01 Oct 06 | 5 0.05 2.83 22 Jan 07 | 1 0.01 2.84 25 Jan 07 | 1 0.01 2.85 23 Mar 07 | 1 0.01 2.86 27 Mar 07 | 1 0.01 2.87 23 Apr 07 | 2 0.02 2.89 08 Jun 07 | 1 0.01 2.90 29 Jun 07 | 1 0.01 2.91 01 Jul 07 | 2 0.02 2.93 01 Jan 08 | 2 0.02 2.95 10 Apr 08 | 1 0.01 2.96 01 Jul 08 | 2 0.02 2.98 29 Jul 08 | 1 0.01 2.99 16 Sep 08 | 1 0.01 3.00 01 Oct 08 | 1 0.01 3.01 01 Apr 09 | 1 0.01 3.02 01 Oct 09 | 2 0.02 3.04 01 Jan 10 | 1 0.01 3.05 28 May 10 | 1 0.01 3.06 01 Jul 10 | 1 0.01 3.07 01 Aug 10 | 1 0.01 3.08 13 Dec 10 | 1 0.01 3.09 01 Jan 11 | 1 0.01 3.10 01 May 11 | 1 0.01 3.11 16 Jun 11 | 1 0.01 3.12 01 Sep 11 | 1 0.01 3.13 . | 9,687 96.87 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 19 Apr 2019