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

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,715       57.15       57.15
          1 |         51        0.51       57.66
          2 |         98        0.98       58.64
          3 |         80        0.80       59.44
          4 |         77        0.77       60.21
          5 |         71        0.71       60.92
          6 |        100        1.00       61.92
          7 |        103        1.03       62.95
          8 |        115        1.15       64.10
          9 |        123        1.23       65.33
         10 |        144        1.44       66.77
         11 |        172        1.72       68.49
         12 |        171        1.71       70.20
         13 |        173        1.73       71.93
         14 |        169        1.69       73.62
         15 |        198        1.98       75.60
         16 |        185        1.85       77.45
         17 |        204        2.04       79.49
         18 |        214        2.14       81.63
         19 |        174        1.74       83.37
         20 |        176        1.76       85.13
         21 |        201        2.01       87.14
         22 |        150        1.50       88.64
         23 |        148        1.48       90.12
         24 |        136        1.36       91.48
         25 |        120        1.20       92.68
         26 |        100        1.00       93.68
         27 |         99        0.99       94.67
         28 |         79        0.79       95.46
         29 |         81        0.81       96.27
         30 |         62        0.62       96.89
         31 |         40        0.40       97.29
         32 |         37        0.37       97.66
         33 |         39        0.39       98.05
         34 |         38        0.38       98.43
         35 |         27        0.27       98.70
         36 |         21        0.21       98.91
         37 |         18        0.18       99.09
         38 |         17        0.17       99.26
         39 |         13        0.13       99.39
         40 |         10        0.10       99.49
         41 |          7        0.07       99.56
         42 |         11        0.11       99.67
         43 |          8        0.08       99.75
         44 |          3        0.03       99.78
         45 |          5        0.05       99.83
         46 |          4        0.04       99.87
         47 |          2        0.02       99.89
         48 |          4        0.04       99.93
         49 |          1        0.01       99.94
         50 |          2        0.02       99.96
         51 |          2        0.02       99.98
         55 |          1        0.01       99.99
         79 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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