Frequencies for first 10,000 rows of prov0620 variable in pos2005 dataset :

        ltc |
  agreement |
  beginning |
       date |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,928       99.28       99.28
   19860301 |          1        0.01       99.29
   19951001 |          5        0.05       99.34
   19960425 |          1        0.01       99.35
   19960701 |          1        0.01       99.36
   19970801 |          1        0.01       99.37
   20020401 |          1        0.01       99.38
   20030701 |          1        0.01       99.39
   20030801 |          1        0.01       99.40
   20031101 |          2        0.02       99.42
   20041001 |          1        0.01       99.43
   20041101 |          1        0.01       99.44
   20041201 |          1        0.01       99.45
   20041209 |          1        0.01       99.46
   20050301 |          4        0.04       99.50
   20050401 |          1        0.01       99.51
   20050501 |          2        0.02       99.53
   20050601 |          6        0.06       99.59
   20050701 |          3        0.03       99.62
   20050801 |          1        0.01       99.63
   20050901 |          4        0.04       99.67
   20050915 |          1        0.01       99.68
   20051001 |         11        0.11       99.79
   20051101 |          4        0.04       99.83
   20051201 |          3        0.03       99.86
   20060101 |          8        0.08       99.94
   20060201 |          1        0.01       99.95
   20060301 |          4        0.04       99.99
   20060501 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017