Frequencies for first 10,000 rows of p030e019 variable in sf12000860us9 dataset :

   In group |
  quarters: |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,923       99.23       99.23
          1 |         65        0.65       99.88
          2 |          7        0.07       99.95
          3 |          4        0.04       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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