Frequencies for first 10,000 rows of p012e012 variable in sf12010860us7 dataset :

   30 to 34 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,782       87.82       87.82
          1 |        763        7.63       95.45
          2 |        239        2.39       97.84
          3 |        108        1.08       98.92
          4 |         55        0.55       99.47
          5 |         17        0.17       99.64
          6 |         14        0.14       99.78
          7 |          5        0.05       99.83
          8 |          4        0.04       99.87
          9 |          3        0.03       99.90
         10 |          3        0.03       99.93
         11 |          4        0.04       99.97
         15 |          1        0.01       99.98
         16 |          1        0.01       99.99
         28 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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