Frequencies for first 10,000 rows of pct013c042 variable in sf12000860us31 dataset :

  60 and 61 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,777       87.77       87.77
          1 |        857        8.57       96.34
          2 |        199        1.99       98.33
          3 |         76        0.76       99.09
          4 |         37        0.37       99.46
          5 |         20        0.20       99.66
          6 |         14        0.14       99.80
          7 |          2        0.02       99.82
          8 |          2        0.02       99.84
          9 |          1        0.01       99.85
         10 |          1        0.01       99.86
         12 |          2        0.02       99.88
         13 |          1        0.01       99.89
         16 |          1        0.01       99.90
         20 |          1        0.01       99.91
         23 |          1        0.01       99.92
         24 |          1        0.01       99.93
         25 |          1        0.01       99.94
         28 |          1        0.01       99.95
         38 |          1        0.01       99.96
         44 |          1        0.01       99.97
         53 |          1        0.01       99.98
         69 |          1        0.01       99.99
         95 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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