Frequencies for first 10,000 rows of pct0210026 variable in sf12010880us19 dataset :

      (601) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,991       99.91       99.91
          1 |          5        0.05       99.96
          2 |          2        0.02       99.98
          3 |          1        0.01       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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