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

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,819       58.19       58.19
          1 |         52        0.52       58.71
          2 |         71        0.71       59.42
          3 |         71        0.71       60.13
          4 |         80        0.80       60.93
          5 |         86        0.86       61.79
          6 |        102        1.02       62.81
          7 |        103        1.03       63.84
          8 |        125        1.25       65.09
          9 |        121        1.21       66.30
         10 |        142        1.42       67.72
         11 |        163        1.63       69.35
         12 |        150        1.50       70.85
         13 |        165        1.65       72.50
         14 |        181        1.81       74.31
         15 |        201        2.01       76.32
         16 |        200        2.00       78.32
         17 |        202        2.02       80.34
         18 |        177        1.77       82.11
         19 |        215        2.15       84.26
         20 |        167        1.67       85.93
         21 |        167        1.67       87.60
         22 |        183        1.83       89.43
         23 |        165        1.65       91.08
         24 |        138        1.38       92.46
         25 |        116        1.16       93.62
         26 |        106        1.06       94.68
         27 |         83        0.83       95.51
         28 |         98        0.98       96.49
         29 |         59        0.59       97.08
         30 |         46        0.46       97.54
         31 |         52        0.52       98.06
         32 |         31        0.31       98.37
         33 |         33        0.33       98.70
         34 |         20        0.20       98.90
         35 |         16        0.16       99.06
         36 |         19        0.19       99.25
         37 |         12        0.12       99.37
         38 |         17        0.17       99.54
         39 |          9        0.09       99.63
         40 |          6        0.06       99.69
         41 |          4        0.04       99.73
         42 |          5        0.05       99.78
         43 |          5        0.05       99.83
         44 |          3        0.03       99.86
         45 |          3        0.03       99.89
         46 |          1        0.01       99.90
         47 |          2        0.02       99.92
         48 |          2        0.02       99.94
         50 |          1        0.01       99.95
         51 |          1        0.01       99.96
         52 |          1        0.01       99.97
         55 |          1        0.01       99.98
         62 |          1        0.01       99.99
         78 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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