Frequencies for first 10,000 rows of pct012n152 variable in sf12000860us29 dataset :

   45 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,338       93.38       93.38
          1 |        451        4.51       97.89
          2 |        104        1.04       98.93
          3 |         43        0.43       99.36
          4 |         18        0.18       99.54
          5 |         12        0.12       99.66
          6 |         11        0.11       99.77
          7 |          5        0.05       99.82
          8 |          5        0.05       99.87
          9 |          1        0.01       99.88
         10 |          1        0.01       99.89
         12 |          3        0.03       99.92
         13 |          1        0.01       99.93
         19 |          2        0.02       99.95
         23 |          2        0.02       99.97
         29 |          1        0.01       99.98
         41 |          1        0.01       99.99
         42 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017