Frequencies for first 10,000 rows of prov4265 variable in posclia2004 dataset :

   prov4265 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,972       99.72       99.72
 01D0913800 |          1        0.01       99.73
 01D0961238 |          3        0.03       99.76
 01D0961240 |          4        0.04       99.80
 01D0961241 |          1        0.01       99.81
 01D1015346 |          1        0.01       99.82
 03D0641963 |          1        0.01       99.83
 03D0705415 |          1        0.01       99.84
 03D0710978 |          1        0.01       99.85
 03D0874319 |          2        0.02       99.87
 03D0889309 |          2        0.02       99.89
 03D0893377 |          6        0.06       99.95
 03D0902109 |          1        0.01       99.96
 03D0903061 |          1        0.01       99.97
 03D0909996 |          1        0.01       99.98
 03D0967426 |          1        0.01       99.99
 03D1032417 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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