Frequencies for first 10,000 rows of a7 variable in miacc83 dataset :

         a7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,128       41.28       41.28
          1 |         50        0.50       41.78
          2 |         73        0.73       42.51
          3 |         91        0.91       43.42
          4 |         91        0.91       44.33
          5 |        108        1.08       45.41
          6 |        117        1.17       46.58
          7 |        161        1.61       48.19
          8 |        166        1.66       49.85
          9 |        183        1.83       51.68
         10 |        217        2.17       53.85
         11 |        223        2.23       56.08
         12 |        248        2.48       58.56
         13 |        253        2.53       61.09
         14 |        291        2.91       64.00
         15 |        274        2.74       66.74
         16 |        299        2.99       69.73
         17 |        299        2.99       72.72
         18 |        286        2.86       75.58
         19 |        299        2.99       78.57
         20 |        255        2.55       81.12
         21 |        215        2.15       83.27
         22 |        259        2.59       85.86
         23 |        194        1.94       87.80
         24 |        176        1.76       89.56
         25 |        178        1.78       91.34
         26 |        150        1.50       92.84
         27 |        105        1.05       93.89
         28 |        112        1.12       95.01
         29 |         78        0.78       95.79
         30 |         58        0.58       96.37
         31 |         60        0.60       96.97
         32 |         49        0.49       97.46
         33 |         53        0.53       97.99
         34 |         36        0.36       98.35
         35 |         38        0.38       98.73
         36 |         27        0.27       99.00
         37 |         19        0.19       99.19
         38 |         22        0.22       99.41
         39 |         14        0.14       99.55
         40 |          5        0.05       99.60
         41 |          8        0.08       99.68
         42 |          5        0.05       99.73
         43 |          5        0.05       99.78
         44 |          3        0.03       99.81
         45 |          6        0.06       99.87
         46 |          4        0.04       99.91
         47 |          2        0.02       99.93
         48 |          2        0.02       99.95
         52 |          1        0.01       99.96
         56 |          2        0.02       99.98
         59 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016