Frequencies for first 10,000 rows of p012e008 variable in sf12010860us7 dataset :

   20 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,577       95.77       95.77
          1 |        330        3.30       99.07
          2 |         63        0.63       99.70
          3 |         15        0.15       99.85
          4 |          7        0.07       99.92
          5 |          5        0.05       99.97
          6 |          1        0.01       99.98
          9 |          1        0.01       99.99
         10 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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