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

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,850       48.50       48.50
          1 |         63        0.63       49.13
          2 |        103        1.03       50.16
          3 |         97        0.97       51.13
          4 |         94        0.94       52.07
          5 |        106        1.06       53.13
          6 |        129        1.29       54.42
          7 |        133        1.33       55.75
          8 |        119        1.19       56.94
          9 |        158        1.58       58.52
         10 |        169        1.69       60.21
         11 |        183        1.83       62.04
         12 |        190        1.90       63.94
         13 |        217        2.17       66.11
         14 |        218        2.18       68.29
         15 |        233        2.33       70.62
         16 |        234        2.34       72.96
         17 |        278        2.78       75.74
         18 |        240        2.40       78.14
         19 |        239        2.39       80.53
         20 |        241        2.41       82.94
         21 |        231        2.31       85.25
         22 |        210        2.10       87.35
         23 |        183        1.83       89.18
         24 |        173        1.73       90.91
         25 |        150        1.50       92.41
         26 |        130        1.30       93.71
         27 |        113        1.13       94.84
         28 |         93        0.93       95.77
         29 |         76        0.76       96.53
         30 |         75        0.75       97.28
         31 |         47        0.47       97.75
         32 |         42        0.42       98.17
         33 |         29        0.29       98.46
         34 |         21        0.21       98.67
         35 |         24        0.24       98.91
         36 |         17        0.17       99.08
         37 |         16        0.16       99.24
         38 |         18        0.18       99.42
         39 |         10        0.10       99.52
         40 |         11        0.11       99.63
         41 |          5        0.05       99.68
         42 |          4        0.04       99.72
         43 |          6        0.06       99.78
         44 |          3        0.03       99.81
         45 |          3        0.03       99.84
         46 |          2        0.02       99.86
         47 |          4        0.04       99.90
         48 |          1        0.01       99.91
         49 |          2        0.02       99.93
         51 |          1        0.01       99.94
         52 |          1        0.01       99.95
         53 |          1        0.01       99.96
         54 |          2        0.02       99.98
         56 |          1        0.01       99.99
         66 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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