Frequencies for first 10,000 rows of prov0100 variable in posclia1998 dataset :

   prov0100 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,935       99.35       99.35
   19940314 |          1        0.01       99.36
   19941101 |          1        0.01       99.37
   19941201 |          2        0.02       99.39
   19950118 |          2        0.02       99.41
   19950301 |          1        0.01       99.42
   19951101 |          1        0.01       99.43
   19951107 |          1        0.01       99.44
   19951108 |          1        0.01       99.45
   19951109 |          2        0.02       99.47
   19960101 |          2        0.02       99.49
   19960126 |          1        0.01       99.50
   19960201 |          1        0.01       99.51
   19960215 |          1        0.01       99.52
   19960326 |          1        0.01       99.53
   19960424 |          1        0.01       99.54
   19960503 |          1        0.01       99.55
   19960524 |          2        0.02       99.57
   19960801 |          1        0.01       99.58
   19960807 |          1        0.01       99.59
   19961028 |          1        0.01       99.60
   19961231 |          3        0.03       99.63
   19970101 |          1        0.01       99.64
   19970327 |          1        0.01       99.65
   19970430 |          1        0.01       99.66
   19970501 |          1        0.01       99.67
   19970515 |          2        0.02       99.69
   19970601 |          1        0.01       99.70
   19970602 |          1        0.01       99.71
   19970630 |          1        0.01       99.72
   19970701 |          2        0.02       99.74
   19970708 |          7        0.07       99.81
   19971001 |          4        0.04       99.85
   19971021 |          1        0.01       99.86
   19971211 |          1        0.01       99.87
   19980101 |          1        0.01       99.88
   19980112 |          1        0.01       99.89
   19980301 |          1        0.01       99.90
   19980401 |          1        0.01       99.91
   19980416 |          1        0.01       99.92
   19980727 |          1        0.01       99.93
   19980801 |          1        0.01       99.94
   19980902 |          2        0.02       99.96
   19980930 |          2        0.02       99.98
   19981001 |          1        0.01       99.99
   19981101 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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