Frequencies for first 10,000 rows of p028e014 variable in sf12000860us8 dataset :

   In group |
  quarters: |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,946       99.46       99.46
          1 |         46        0.46       99.92
          2 |          6        0.06       99.98
          3 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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