Frequencies for first 10,000 rows of pct0210123 variable in sf12010860us19 dataset :

      (601) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,989       99.89       99.89
          1 |          5        0.05       99.94
          2 |          1        0.01       99.95
          4 |          1        0.01       99.96
          5 |          1        0.01       99.97
         16 |          1        0.01       99.98
         30 |          1        0.01       99.99
         33 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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