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

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,793       57.93       57.93
          1 |         66        0.66       58.59
          2 |         77        0.77       59.36
          3 |         98        0.98       60.34
          4 |        108        1.08       61.42
          5 |         92        0.92       62.34
          6 |         99        0.99       63.33
          7 |        104        1.04       64.37
          8 |        121        1.21       65.58
          9 |        121        1.21       66.79
         10 |        158        1.58       68.37
         11 |        151        1.51       69.88
         12 |        152        1.52       71.40
         13 |        169        1.69       73.09
         14 |        160        1.60       74.69
         15 |        209        2.09       76.78
         16 |        221        2.21       78.99
         17 |        175        1.75       80.74
         18 |        186        1.86       82.60
         19 |        181        1.81       84.41
         20 |        176        1.76       86.17
         21 |        177        1.77       87.94
         22 |        174        1.74       89.68
         23 |        158        1.58       91.26
         24 |        128        1.28       92.54
         25 |        123        1.23       93.77
         26 |        109        1.09       94.86
         27 |         95        0.95       95.81
         28 |         70        0.70       96.51
         29 |         59        0.59       97.10
         30 |         41        0.41       97.51
         31 |         44        0.44       97.95
         32 |         37        0.37       98.32
         33 |         29        0.29       98.61
         34 |         19        0.19       98.80
         35 |         20        0.20       99.00
         36 |         17        0.17       99.17
         37 |         13        0.13       99.30
         38 |         19        0.19       99.49
         39 |         11        0.11       99.60
         40 |          6        0.06       99.66
         41 |          7        0.07       99.73
         42 |          5        0.05       99.78
         43 |          6        0.06       99.84
         44 |          3        0.03       99.87
         45 |          3        0.03       99.90
         46 |          1        0.01       99.91
         47 |          1        0.01       99.92
         49 |          1        0.01       99.93
         50 |          1        0.01       99.94
         52 |          1        0.01       99.95
         54 |          1        0.01       99.96
         56 |          1        0.01       99.97
         57 |          1        0.01       99.98
         61 |          1        0.01       99.99
         89 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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