Frequencies for first 10,000 rows of prov0100 variable in posclia1999 dataset :

   prov0100 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,940       99.40       99.40
   19940314 |          1        0.01       99.41
   19941101 |          1        0.01       99.42
   19941201 |          2        0.02       99.44
   19950118 |          2        0.02       99.46
   19950301 |          1        0.01       99.47
   19951101 |          1        0.01       99.48
   19951107 |          1        0.01       99.49
   19951108 |          1        0.01       99.50
   19951109 |          2        0.02       99.52
   19960101 |          2        0.02       99.54
   19960201 |          1        0.01       99.55
   19960215 |          1        0.01       99.56
   19960326 |          1        0.01       99.57
   19960524 |          1        0.01       99.58
   19960801 |          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
   19970501 |          1        0.01       99.66
   19970601 |          1        0.01       99.67
   19970602 |          1        0.01       99.68
   19970630 |          1        0.01       99.69
   19970701 |          1        0.01       99.70
   19970708 |          4        0.04       99.74
   19971001 |          2        0.02       99.76
   19971021 |          1        0.01       99.77
   19980105 |          2        0.02       99.79
   19980416 |          1        0.01       99.80
   19980902 |          2        0.02       99.82
   19980930 |          1        0.01       99.83
   19981001 |          1        0.01       99.84
   19981022 |          1        0.01       99.85
   19981101 |          3        0.03       99.88
   19981229 |          2        0.02       99.90
   19990101 |          1        0.01       99.91
   19990209 |          2        0.02       99.93
   19990218 |          1        0.01       99.94
   19990301 |          1        0.01       99.95
   19990325 |          1        0.01       99.96
   19990630 |          1        0.01       99.97
   19990820 |          1        0.01       99.98
   19990922 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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