Frequencies for first 10,000 rows of pct012k112 variable in sf12010880us30 dataset :

    5 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,308       93.08       93.08
          1 |        531        5.31       98.39
          2 |        106        1.06       99.45
          3 |         29        0.29       99.74
          4 |          7        0.07       99.81
          5 |          8        0.08       99.89
          6 |          6        0.06       99.95
          7 |          1        0.01       99.96
          8 |          1        0.01       99.97
         10 |          1        0.01       99.98
         14 |          1        0.01       99.99
         33 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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