Frequencies for first 10,000 rows of agrmt_bgn_dt variable in pos2012 dataset :

        LTC |
  Agreement |
  Beginning |
       Date |      Freq.     Percent        Cum.
------------+-----------------------------------
   1.99e+07 |          1        0.01        0.01
   2.00e+07 |          5        0.05        0.06
   2.00e+07 |          1        0.01        0.07
   2.00e+07 |          1        0.01        0.08
   2.00e+07 |          1        0.01        0.09
   2.00e+07 |          1        0.01        0.10
   2.00e+07 |          1        0.01        0.11
   2.00e+07 |          1        0.01        0.12
   2.00e+07 |          2        0.02        0.14
   2.01e+07 |          1        0.01        0.15
   2.01e+07 |          1        0.01        0.16
   2.01e+07 |          1        0.01        0.17
   2.01e+07 |          1        0.01        0.18
   2.01e+07 |          1        0.01        0.19
   2.01e+07 |          5        0.05        0.24
   2.01e+07 |          3        0.03        0.27
   2.01e+07 |          1        0.01        0.28
   2.01e+07 |          1        0.01        0.29
   2.01e+07 |          1        0.01        0.30
   2.01e+07 |          1        0.01        0.31
   2.01e+07 |          2        0.02        0.33
   2.01e+07 |          6        0.06        0.39
   2.01e+07 |          8        0.08        0.47
   2.01e+07 |          2        0.02        0.49
   2.01e+07 |          1        0.01        0.50
   2.01e+07 |          1        0.01        0.51
   2.01e+07 |          3        0.03        0.54
   2.01e+07 |          5        0.05        0.59
   2.01e+07 |          1        0.01        0.60
   2.01e+07 |          8        0.08        0.68
   2.01e+07 |          3        0.03        0.71
   2.01e+07 |          1        0.01        0.72
          . |      9,928       99.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016