Frequencies for first 10,000 rows of a2 variable in miacc dataset :

         a2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,848       58.48       58.48
          1 |         39        0.39       58.87
          2 |         87        0.87       59.74
          3 |         67        0.67       60.41
          4 |         92        0.92       61.33
          5 |         79        0.79       62.12
          6 |         90        0.90       63.02
          7 |        109        1.09       64.11
          8 |        114        1.14       65.25
          9 |        126        1.26       66.51
         10 |        129        1.29       67.80
         11 |        153        1.53       69.33
         12 |        165        1.65       70.98
         13 |        153        1.53       72.51
         14 |        183        1.83       74.34
         15 |        181        1.81       76.15
         16 |        173        1.73       77.88
         17 |        180        1.80       79.68
         18 |        177        1.77       81.45
         19 |        206        2.06       83.51
         20 |        196        1.96       85.47
         21 |        150        1.50       86.97
         22 |        184        1.84       88.81
         23 |        159        1.59       90.40
         24 |        127        1.27       91.67
         25 |        122        1.22       92.89
         26 |        116        1.16       94.05
         27 |         97        0.97       95.02
         28 |         74        0.74       95.76
         29 |         74        0.74       96.50
         30 |         44        0.44       96.94
         31 |         31        0.31       97.25
         32 |         47        0.47       97.72
         33 |         41        0.41       98.13
         34 |         42        0.42       98.55
         35 |         29        0.29       98.84
         36 |         19        0.19       99.03
         37 |         21        0.21       99.24
         38 |          9        0.09       99.33
         39 |         13        0.13       99.46
         40 |          8        0.08       99.54
         41 |         10        0.10       99.64
         42 |          2        0.02       99.66
         43 |          7        0.07       99.73
         44 |          3        0.03       99.76
         45 |          5        0.05       99.81
         46 |          2        0.02       99.83
         47 |          2        0.02       99.85
         48 |          1        0.01       99.86
         49 |          3        0.03       99.89
         50 |          1        0.01       99.90
         51 |          2        0.02       99.92
         52 |          2        0.02       99.94
         55 |          2        0.02       99.96
         57 |          1        0.01       99.97
         65 |          1        0.01       99.98
         86 |          1        0.01       99.99
         89 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016