Frequencies for first 10,000 rows of pct022e018 variable in sf12010880us38 dataset :

  704, 706, |
   801-802, |
   900-901, |
  903-904): |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,770       97.70       97.70
          1 |        139        1.39       99.09
          2 |         37        0.37       99.46
          3 |         18        0.18       99.64
          4 |         19        0.19       99.83
          5 |          7        0.07       99.90
          6 |          3        0.03       99.93
          7 |          2        0.02       99.95
          8 |          1        0.01       99.96
         10 |          1        0.01       99.97
         12 |          1        0.01       99.98
         16 |          1        0.01       99.99
         23 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017