Frequencies for first 10,000 rows of pct012k005 variable in sf12000860us26 dataset :

    2 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,017       90.17       90.17
          1 |        705        7.05       97.22
          2 |        156        1.56       98.78
          3 |         53        0.53       99.31
          4 |         21        0.21       99.52
          5 |         12        0.12       99.64
          6 |          7        0.07       99.71
          7 |          7        0.07       99.78
          8 |          3        0.03       99.81
          9 |          3        0.03       99.84
         10 |          1        0.01       99.85
         12 |          2        0.02       99.87
         13 |          1        0.01       99.88
         15 |          1        0.01       99.89
         24 |          1        0.01       99.90
         25 |          2        0.02       99.92
         27 |          1        0.01       99.93
         41 |          1        0.01       99.94
         47 |          1        0.01       99.95
         52 |          1        0.01       99.96
         59 |          1        0.01       99.97
         60 |          1        0.01       99.98
         74 |          1        0.01       99.99
         87 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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