Frequencies for first 10,000 rows of prov4180 variable in posclia1997 dataset :

   prov4180 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,490       94.90       94.90
          1 |         30        0.30       95.20
          2 |        227        2.27       97.47
          3 |        101        1.01       98.48
          4 |         32        0.32       98.80
          5 |         16        0.16       98.96
          6 |         15        0.15       99.11
          7 |         16        0.16       99.27
          8 |          6        0.06       99.33
          9 |          8        0.08       99.41
         10 |          9        0.09       99.50
         11 |          4        0.04       99.54
         12 |          2        0.02       99.56
         13 |          4        0.04       99.60
         15 |          4        0.04       99.64
         16 |          2        0.02       99.66
         17 |          2        0.02       99.68
         18 |          5        0.05       99.73
         19 |          4        0.04       99.77
         20 |          3        0.03       99.80
         21 |          2        0.02       99.82
         22 |          2        0.02       99.84
         23 |          1        0.01       99.85
         24 |          1        0.01       99.86
         27 |          2        0.02       99.88
         30 |          1        0.01       99.89
         31 |          1        0.01       99.90
         32 |          3        0.03       99.93
         48 |          1        0.01       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