Frequencies for first 10,000 rows of pct012k108 variable in sf12010880us30 dataset :

     1 year |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,310       93.10       93.10
          1 |        512        5.12       98.22
          2 |        114        1.14       99.36
          3 |         38        0.38       99.74
          4 |         11        0.11       99.85
          5 |          2        0.02       99.87
          6 |          5        0.05       99.92
          7 |          4        0.04       99.96
          8 |          2        0.02       99.98
         14 |          1        0.01       99.99
         28 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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