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

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,712       57.12       57.12
          1 |         61        0.61       57.73
          2 |         87        0.87       58.60
          3 |         66        0.66       59.26
          4 |         90        0.90       60.16
          5 |         98        0.98       61.14
          6 |         93        0.93       62.07
          7 |        136        1.36       63.43
          8 |        136        1.36       64.79
          9 |        130        1.30       66.09
         10 |        143        1.43       67.52
         11 |        144        1.44       68.96
         12 |        167        1.67       70.63
         13 |        214        2.14       72.77
         14 |        174        1.74       74.51
         15 |        195        1.95       76.46
         16 |        191        1.91       78.37
         17 |        197        1.97       80.34
         18 |        157        1.57       81.91
         19 |        202        2.02       83.93
         20 |        173        1.73       85.66
         21 |        178        1.78       87.44
         22 |        180        1.80       89.24
         23 |        137        1.37       90.61
         24 |        147        1.47       92.08
         25 |        117        1.17       93.25
         26 |        121        1.21       94.46
         27 |        100        1.00       95.46
         28 |         84        0.84       96.30
         29 |         62        0.62       96.92
         30 |         63        0.63       97.55
         31 |         43        0.43       97.98
         32 |         30        0.30       98.28
         33 |         32        0.32       98.60
         34 |         20        0.20       98.80
         35 |         21        0.21       99.01
         36 |         21        0.21       99.22
         37 |         20        0.20       99.42
         38 |         13        0.13       99.55
         39 |          9        0.09       99.64
         40 |          6        0.06       99.70
         41 |          4        0.04       99.74
         42 |          7        0.07       99.81
         43 |          4        0.04       99.85
         44 |          2        0.02       99.87
         45 |          2        0.02       99.89
         46 |          2        0.02       99.91
         47 |          1        0.01       99.92
         49 |          1        0.01       99.93
         50 |          1        0.01       99.94
         51 |          2        0.02       99.96
         52 |          1        0.01       99.97
         60 |          1        0.01       99.98
         61 |          1        0.01       99.99
         75 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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