Frequencies for first 10,000 rows of agrmt_end_dt variable in pos2011 dataset :

        LTC |
  Agreement |
Ending Date |      Freq.     Percent        Cum.
------------+-----------------------------------
  28 Feb 87 |          1        0.01        0.01
  30 Sep 96 |          5        0.05        0.06
  25 Apr 97 |          1        0.01        0.07
  30 Jun 97 |          1        0.01        0.08
  31 Jul 98 |          1        0.01        0.09
  31 Mar 03 |          1        0.01        0.10
  29 Jun 04 |          1        0.01        0.11
  31 Jul 04 |          1        0.01        0.12
  21 Oct 04 |          1        0.01        0.13
  31 Oct 04 |          1        0.01        0.14
  31 May 11 |          1        0.01        0.15
  30 Sep 11 |          1        0.01        0.16
  01 Dec 11 |          1        0.01        0.17
  31 Dec 11 |          1        0.01        0.18
  29 Feb 12 |          1        0.01        0.19
  31 Mar 12 |          1        0.01        0.20
  30 Apr 12 |          2        0.02        0.22
  31 May 12 |          6        0.06        0.28
  30 Jun 12 |          3        0.03        0.31
  31 Jul 12 |          1        0.01        0.32
  29 Aug 12 |          1        0.01        0.33
  31 Aug 12 |          5        0.05        0.38
  30 Sep 12 |          8        0.08        0.46
  31 Oct 12 |          2        0.02        0.48
  30 Nov 12 |          5        0.05        0.53
  08 Dec 12 |          1        0.01        0.54
  31 Dec 12 |         10        0.10        0.64
  31 Jan 13 |          1        0.01        0.65
  28 Feb 13 |          6        0.06        0.71
  30 Apr 13 |          1        0.01        0.72
          . |      9,928       99.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2019