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

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,074       60.74       60.74
          1 |         47        0.47       61.21
          2 |         68        0.68       61.89
          3 |         81        0.81       62.70
          4 |         80        0.80       63.50
          5 |         93        0.93       64.43
          6 |         95        0.95       65.38
          7 |        107        1.07       66.45
          8 |        121        1.21       67.66
          9 |        119        1.19       68.85
         10 |        138        1.38       70.23
         11 |        155        1.55       71.78
         12 |        152        1.52       73.30
         13 |        163        1.63       74.93
         14 |        158        1.58       76.51
         15 |        178        1.78       78.29
         16 |        169        1.69       79.98
         17 |        152        1.52       81.50
         18 |        172        1.72       83.22
         19 |        184        1.84       85.06
         20 |        151        1.51       86.57
         21 |        132        1.32       87.89
         22 |        137        1.37       89.26
         23 |        164        1.64       90.90
         24 |        106        1.06       91.96
         25 |        102        1.02       92.98
         26 |        108        1.08       94.06
         27 |         95        0.95       95.01
         28 |         74        0.74       95.75
         29 |         64        0.64       96.39
         30 |         61        0.61       97.00
         31 |         40        0.40       97.40
         32 |         42        0.42       97.82
         33 |         39        0.39       98.21
         34 |         22        0.22       98.43
         35 |         33        0.33       98.76
         36 |         21        0.21       98.97
         37 |         11        0.11       99.08
         38 |         22        0.22       99.30
         39 |         11        0.11       99.41
         40 |         11        0.11       99.52
         41 |          9        0.09       99.61
         42 |          5        0.05       99.66
         43 |          5        0.05       99.71
         44 |          4        0.04       99.75
         45 |          7        0.07       99.82
         46 |          5        0.05       99.87
         47 |          4        0.04       99.91
         48 |          2        0.02       99.93
         49 |          3        0.03       99.96
         50 |          2        0.02       99.98
         52 |          1        0.01       99.99
         54 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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