Frequencies for first 10,000 rows of prov4180 variable in posclia2001 dataset :

   prov4180 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,528       95.28       95.28
          1 |         39        0.39       95.67
          2 |        198        1.98       97.65
          3 |         90        0.90       98.55
          4 |         29        0.29       98.84
          5 |         18        0.18       99.02
          6 |         16        0.16       99.18
          7 |         11        0.11       99.29
          8 |          5        0.05       99.34
          9 |          7        0.07       99.41
         10 |          9        0.09       99.50
         11 |          4        0.04       99.54
         12 |          3        0.03       99.57
         13 |          3        0.03       99.60
         14 |          1        0.01       99.61
         15 |          6        0.06       99.67
         16 |          3        0.03       99.70
         17 |          2        0.02       99.72
         18 |          5        0.05       99.77
         19 |          6        0.06       99.83
         20 |          2        0.02       99.85
         21 |          1        0.01       99.86
         23 |          1        0.01       99.87
         24 |          1        0.01       99.88
         27 |          2        0.02       99.90
         30 |          1        0.01       99.91
         31 |          1        0.01       99.92
         32 |          2        0.02       99.94
         64 |          1        0.01       99.95
         70 |          1        0.01       99.96
         90 |          1        0.01       99.97
         98 |          1        0.01       99.98
        138 |          1        0.01       99.99
        377 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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