Frequencies for first 10,000 rows of pct012n134 variable in sf12010860us33 dataset :

   27 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,948       89.48       89.48
          1 |        645        6.45       95.93
          2 |        190        1.90       97.83
          3 |         75        0.75       98.58
          4 |         36        0.36       98.94
          5 |         26        0.26       99.20
          6 |         16        0.16       99.36
          7 |         16        0.16       99.52
          8 |         11        0.11       99.63
          9 |          3        0.03       99.66
         10 |          6        0.06       99.72
         11 |          5        0.05       99.77
         12 |          3        0.03       99.80
         13 |          2        0.02       99.82
         14 |          2        0.02       99.84
         15 |          1        0.01       99.85
         17 |          1        0.01       99.86
         18 |          2        0.02       99.88
         19 |          1        0.01       99.89
         20 |          1        0.01       99.90
         21 |          2        0.02       99.92
         26 |          1        0.01       99.93
         27 |          1        0.01       99.94
         28 |          1        0.01       99.95
         32 |          2        0.02       99.97
         33 |          1        0.01       99.98
         38 |          1        0.01       99.99
         47 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Apr 2017