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

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,881       58.81       58.81
          1 |         49        0.49       59.30
          2 |         92        0.92       60.22
          3 |         69        0.69       60.91
          4 |         68        0.68       61.59
          5 |         82        0.82       62.41
          6 |        101        1.01       63.42
          7 |        121        1.21       64.63
          8 |        127        1.27       65.90
          9 |        116        1.16       67.06
         10 |        125        1.25       68.31
         11 |        156        1.56       69.87
         12 |        153        1.53       71.40
         13 |        172        1.72       73.12
         14 |        184        1.84       74.96
         15 |        185        1.85       76.81
         16 |        172        1.72       78.53
         17 |        180        1.80       80.33
         18 |        207        2.07       82.40
         19 |        191        1.91       84.31
         20 |        157        1.57       85.88
         21 |        187        1.87       87.75
         22 |        154        1.54       89.29
         23 |        144        1.44       90.73
         24 |        153        1.53       92.26
         25 |         98        0.98       93.24
         26 |        109        1.09       94.33
         27 |         99        0.99       95.32
         28 |         91        0.91       96.23
         29 |         66        0.66       96.89
         30 |         48        0.48       97.37
         31 |         48        0.48       97.85
         32 |         29        0.29       98.14
         33 |         28        0.28       98.42
         34 |         27        0.27       98.69
         35 |         25        0.25       98.94
         36 |         13        0.13       99.07
         37 |         24        0.24       99.31
         38 |         15        0.15       99.46
         39 |         12        0.12       99.58
         40 |         11        0.11       99.69
         41 |          9        0.09       99.78
         42 |          3        0.03       99.81
         43 |          3        0.03       99.84
         44 |          3        0.03       99.87
         45 |          3        0.03       99.90
         46 |          3        0.03       99.93
         47 |          1        0.01       99.94
         50 |          1        0.01       99.95
         53 |          1        0.01       99.96
         54 |          1        0.01       99.97
         55 |          1        0.01       99.98
         56 |          1        0.01       99.99
         61 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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