Frequencies for first 10,000 rows of pct012l076 variable in sf12010860us31 dataset :

   73 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,986       79.86       79.86
          1 |        840        8.40       88.26
          2 |        388        3.88       92.14
          3 |        203        2.03       94.17
          4 |        144        1.44       95.61
          5 |         88        0.88       96.49
          6 |         73        0.73       97.22
          7 |         44        0.44       97.66
          8 |         38        0.38       98.04
          9 |         23        0.23       98.27
         10 |         19        0.19       98.46
         11 |         17        0.17       98.63
         12 |         13        0.13       98.76
         13 |         12        0.12       98.88
         14 |         18        0.18       99.06
         15 |         14        0.14       99.20
         16 |         12        0.12       99.32
         17 |          7        0.07       99.39
         18 |          7        0.07       99.46
         19 |          6        0.06       99.52
         20 |          1        0.01       99.53
         21 |          3        0.03       99.56
         22 |          6        0.06       99.62
         23 |          4        0.04       99.66
         24 |          4        0.04       99.70
         25 |          3        0.03       99.73
         26 |          1        0.01       99.74
         31 |          1        0.01       99.75
         32 |          1        0.01       99.76
         33 |          5        0.05       99.81
         34 |          1        0.01       99.82
         35 |          2        0.02       99.84
         36 |          1        0.01       99.85
         37 |          1        0.01       99.86
         40 |          1        0.01       99.87
         45 |          1        0.01       99.88
         46 |          1        0.01       99.89
         50 |          2        0.02       99.91
         52 |          1        0.01       99.92
         54 |          1        0.01       99.93
         56 |          1        0.01       99.94
         69 |          1        0.01       99.95
         70 |          1        0.01       99.96
        101 |          1        0.01       99.97
        109 |          1        0.01       99.98
        143 |          1        0.01       99.99
        153 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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