Frequencies for first 10,000 rows of pct012n120 variable in sf12000860us29 dataset :

   13 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,937       89.37       89.37
          1 |        726        7.26       96.63
          2 |        192        1.92       98.55
          3 |         67        0.67       99.22
          4 |         29        0.29       99.51
          5 |         11        0.11       99.62
          6 |         13        0.13       99.75
          7 |          1        0.01       99.76
          8 |          4        0.04       99.80
          9 |          6        0.06       99.86
         10 |          2        0.02       99.88
         11 |          2        0.02       99.90
         14 |          1        0.01       99.91
         15 |          1        0.01       99.92
         17 |          1        0.01       99.93
         19 |          1        0.01       99.94
         21 |          1        0.01       99.95
         25 |          1        0.01       99.96
         39 |          1        0.01       99.97
         40 |          1        0.01       99.98
         42 |          1        0.01       99.99
         59 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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