Frequencies for first 10,000 rows of prov4475 variable in posclia1999 dataset :

   prov4475 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,745       87.45       87.45
          A |        311        3.11       90.56
          B |         72        0.72       91.28
          C |        117        1.17       92.45
          D |         60        0.60       93.05
          E |        112        1.12       94.17
          F |         56        0.56       94.73
          G |         39        0.39       95.12
          H |         64        0.64       95.76
          I |          8        0.08       95.84
          J |          3        0.03       95.87
          V |        413        4.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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