Frequencies for first 10,000 rows of p030c019 variable in sf12000860us9 dataset :

   In group |
  quarters: |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,558       95.58       95.58
          1 |        312        3.12       98.70
          2 |         80        0.80       99.50
          3 |         24        0.24       99.74
          4 |          6        0.06       99.80
          5 |          4        0.04       99.84
          6 |          2        0.02       99.86
          7 |          3        0.03       99.89
          9 |          2        0.02       99.91
         10 |          2        0.02       99.93
         12 |          1        0.01       99.94
         15 |          1        0.01       99.95
         19 |          1        0.01       99.96
         21 |          1        0.01       99.97
         22 |          1        0.01       99.98
         52 |          1        0.01       99.99
         83 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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