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

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,309       43.09       43.09
          1 |         55        0.55       43.64
          2 |         83        0.83       44.47
          3 |         94        0.94       45.41
          4 |         92        0.92       46.33
          5 |        134        1.34       47.67
          6 |        132        1.32       48.99
          7 |        160        1.60       50.59
          8 |        176        1.76       52.35
          9 |        180        1.80       54.15
         10 |        183        1.83       55.98
         11 |        234        2.34       58.32
         12 |        245        2.45       60.77
         13 |        263        2.63       63.40
         14 |        236        2.36       65.76
         15 |        288        2.88       68.64
         16 |        277        2.77       71.41
         17 |        287        2.87       74.28
         18 |        291        2.91       77.19
         19 |        292        2.92       80.11
         20 |        239        2.39       82.50
         21 |        233        2.33       84.83
         22 |        227        2.27       87.10
         23 |        189        1.89       88.99
         24 |        160        1.60       90.59
         25 |        163        1.63       92.22
         26 |        132        1.32       93.54
         27 |        124        1.24       94.78
         28 |        102        1.02       95.80
         29 |         76        0.76       96.56
         30 |         62        0.62       97.18
         31 |         59        0.59       97.77
         32 |         30        0.30       98.07
         33 |         28        0.28       98.35
         34 |         28        0.28       98.63
         35 |         31        0.31       98.94
         36 |         15        0.15       99.09
         37 |         18        0.18       99.27
         38 |         15        0.15       99.42
         39 |         12        0.12       99.54
         40 |          8        0.08       99.62
         41 |          7        0.07       99.69
         42 |          5        0.05       99.74
         43 |          3        0.03       99.77
         44 |          6        0.06       99.83
         45 |          5        0.05       99.88
         46 |          2        0.02       99.90
         47 |          1        0.01       99.91
         48 |          2        0.02       99.93
         50 |          1        0.01       99.94
         51 |          1        0.01       99.95
         52 |          1        0.01       99.96
         53 |          1        0.01       99.97
         54 |          1        0.01       99.98
         56 |          1        0.01       99.99
         58 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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