Frequencies for first 10,000 rows of a3 variable in miacc dataset :

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,942       59.42       59.42
          1 |         74        0.74       60.16
          2 |         94        0.94       61.10
          3 |         63        0.63       61.73
          4 |         69        0.69       62.42
          5 |         73        0.73       63.15
          6 |         71        0.71       63.86
          7 |         86        0.86       64.72
          8 |        119        1.19       65.91
          9 |        128        1.28       67.19
         10 |        145        1.45       68.64
         11 |        163        1.63       70.27
         12 |        150        1.50       71.77
         13 |        160        1.60       73.37
         14 |        148        1.48       74.85
         15 |        180        1.80       76.65
         16 |        184        1.84       78.49
         17 |        179        1.79       80.28
         18 |        186        1.86       82.14
         19 |        180        1.80       83.94
         20 |        160        1.60       85.54
         21 |        154        1.54       87.08
         22 |        165        1.65       88.73
         23 |        144        1.44       90.17
         24 |        147        1.47       91.64
         25 |        107        1.07       92.71
         26 |        108        1.08       93.79
         27 |         99        0.99       94.78
         28 |         78        0.78       95.56
         29 |         74        0.74       96.30
         30 |         69        0.69       96.99
         31 |         46        0.46       97.45
         32 |         33        0.33       97.78
         33 |         34        0.34       98.12
         34 |         26        0.26       98.38
         35 |         29        0.29       98.67
         36 |         23        0.23       98.90
         37 |         23        0.23       99.13
         38 |         11        0.11       99.24
         39 |         10        0.10       99.34
         40 |         15        0.15       99.49
         41 |         11        0.11       99.60
         42 |          9        0.09       99.69
         43 |          4        0.04       99.73
         44 |          6        0.06       99.79
         45 |          4        0.04       99.83
         46 |          4        0.04       99.87
         47 |          2        0.02       99.89
         49 |          1        0.01       99.90
         50 |          1        0.01       99.91
         51 |          1        0.01       99.92
         54 |          2        0.02       99.94
         60 |          2        0.02       99.96
         61 |          1        0.01       99.97
         63 |          1        0.01       99.98
         65 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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