Frequencies for first 10,000 rows of prov0500 variable in posclia2003 dataset :

   prov0500 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,947       99.47       99.47
   19980309 |          2        0.02       99.49
   19980310 |          1        0.01       99.50
   19980311 |          1        0.01       99.51
   19980520 |          2        0.02       99.53
   19980521 |          1        0.01       99.54
   19980715 |          1        0.01       99.55
   19980716 |          1        0.01       99.56
   19990510 |          2        0.02       99.58
   19990512 |          1        0.01       99.59
   19990823 |          1        0.01       99.60
   19990824 |          3        0.03       99.63
   19990825 |          1        0.01       99.64
   19990826 |          1        0.01       99.65
   20000321 |          1        0.01       99.66
   20000322 |          1        0.01       99.67
   20000417 |          1        0.01       99.68
   20000418 |          1        0.01       99.69
   20000419 |          1        0.01       99.70
   20001023 |          1        0.01       99.71
   20001025 |          1        0.01       99.72
   20001214 |          1        0.01       99.73
   20010123 |          2        0.02       99.75
   20010124 |          1        0.01       99.76
   20010125 |          1        0.01       99.77
   20010618 |          1        0.01       99.78
   20010620 |          2        0.02       99.80
   20010821 |          2        0.02       99.82
   20010822 |          1        0.01       99.83
   20010823 |          1        0.01       99.84
   20020116 |          1        0.01       99.85
   20020130 |          1        0.01       99.86
   20020131 |          1        0.01       99.87
   20020314 |          1        0.01       99.88
   20020319 |          1        0.01       99.89
   20020320 |          1        0.01       99.90
   20020513 |          1        0.01       99.91
   20020514 |          1        0.01       99.92
   20020515 |          1        0.01       99.93
   20020516 |          1        0.01       99.94
   20020617 |          1        0.01       99.95
   20030609 |          1        0.01       99.96
   20030610 |          1        0.01       99.97
   20030623 |          2        0.02       99.99
   20030624 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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