Frequencies for first 10,000 rows of pct012n109 variable in sf12000860us29 dataset :

    2 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,710       87.10       87.10
          1 |        830        8.30       95.40
          2 |        263        2.63       98.03
          3 |         86        0.86       98.89
          4 |         43        0.43       99.32
          5 |         21        0.21       99.53
          6 |         12        0.12       99.65
          7 |         10        0.10       99.75
          8 |          4        0.04       99.79
          9 |          2        0.02       99.81
         10 |          4        0.04       99.85
         11 |          1        0.01       99.86
         12 |          2        0.02       99.88
         14 |          1        0.01       99.89
         15 |          1        0.01       99.90
         16 |          1        0.01       99.91
         17 |          2        0.02       99.93
         18 |          1        0.01       99.94
         27 |          1        0.01       99.95
         30 |          1        0.01       99.96
         31 |          1        0.01       99.97
         39 |          1        0.01       99.98
         42 |          1        0.01       99.99
         45 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017