Frequencies for first 10,000 rows of pct012l190 variable in sf12000860us27 dataset :

   83 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,261       92.61       92.61
          1 |        455        4.55       97.16
          2 |        130        1.30       98.46
          3 |         57        0.57       99.03
          4 |         30        0.30       99.33
          5 |         21        0.21       99.54
          6 |         12        0.12       99.66
          7 |          6        0.06       99.72
          8 |          8        0.08       99.80
          9 |          5        0.05       99.85
         10 |          6        0.06       99.91
         13 |          2        0.02       99.93
         22 |          2        0.02       99.95
         26 |          1        0.01       99.96
         29 |          1        0.01       99.97
         40 |          2        0.02       99.99
         76 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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