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

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,143       61.43       61.43
          1 |         42        0.42       61.85
          2 |         83        0.83       62.68
          3 |         79        0.79       63.47
          4 |         85        0.85       64.32
          5 |         75        0.75       65.07
          6 |        105        1.05       66.12
          7 |         90        0.90       67.02
          8 |        134        1.34       68.36
          9 |        128        1.28       69.64
         10 |        117        1.17       70.81
         11 |        138        1.38       72.19
         12 |        160        1.60       73.79
         13 |        144        1.44       75.23
         14 |        177        1.77       77.00
         15 |        175        1.75       78.75
         16 |        184        1.84       80.59
         17 |        184        1.84       82.43
         18 |        198        1.98       84.41
         19 |        145        1.45       85.86
         20 |        149        1.49       87.35
         21 |        153        1.53       88.88
         22 |        148        1.48       90.36
         23 |        132        1.32       91.68
         24 |        120        1.20       92.88
         25 |        117        1.17       94.05
         26 |         80        0.80       94.85
         27 |         92        0.92       95.77
         28 |         70        0.70       96.47
         29 |         56        0.56       97.03
         30 |         42        0.42       97.45
         31 |         43        0.43       97.88
         32 |         35        0.35       98.23
         33 |         22        0.22       98.45
         34 |         27        0.27       98.72
         35 |         11        0.11       98.83
         36 |         15        0.15       98.98
         37 |         22        0.22       99.20
         38 |         19        0.19       99.39
         39 |         12        0.12       99.51
         40 |          7        0.07       99.58
         41 |          7        0.07       99.65
         42 |          7        0.07       99.72
         43 |          3        0.03       99.75
         45 |          5        0.05       99.80
         46 |          3        0.03       99.83
         47 |          4        0.04       99.87
         48 |          4        0.04       99.91
         49 |          2        0.02       99.93
         50 |          2        0.02       99.95
         53 |          1        0.01       99.96
         55 |          1        0.01       99.97
         58 |          1        0.01       99.98
         60 |          1        0.01       99.99
         70 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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