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

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,962       59.62       59.62
          1 |         61        0.61       60.23
          2 |         88        0.88       61.11
          3 |         82        0.82       61.93
          4 |         91        0.91       62.84
          5 |         82        0.82       63.66
          6 |         84        0.84       64.50
          7 |         73        0.73       65.23
          8 |        104        1.04       66.27
          9 |        126        1.26       67.53
         10 |        123        1.23       68.76
         11 |        134        1.34       70.10
         12 |        152        1.52       71.62
         13 |        134        1.34       72.96
         14 |        171        1.71       74.67
         15 |        178        1.78       76.45
         16 |        181        1.81       78.26
         17 |        180        1.80       80.06
         18 |        208        2.08       82.14
         19 |        188        1.88       84.02
         20 |        171        1.71       85.73
         21 |        190        1.90       87.63
         22 |        144        1.44       89.07
         23 |        155        1.55       90.62
         24 |        146        1.46       92.08
         25 |        115        1.15       93.23
         26 |         93        0.93       94.16
         27 |         85        0.85       95.01
         28 |         97        0.97       95.98
         29 |         66        0.66       96.64
         30 |         69        0.69       97.33
         31 |         59        0.59       97.92
         32 |         34        0.34       98.26
         33 |         29        0.29       98.55
         34 |         28        0.28       98.83
         35 |         22        0.22       99.05
         36 |         18        0.18       99.23
         37 |         15        0.15       99.38
         38 |         10        0.10       99.48
         39 |         12        0.12       99.60
         40 |          5        0.05       99.65
         41 |          4        0.04       99.69
         42 |          4        0.04       99.73
         43 |          6        0.06       99.79
         44 |          1        0.01       99.80
         45 |          5        0.05       99.85
         46 |          1        0.01       99.86
         47 |          4        0.04       99.90
         50 |          1        0.01       99.91
         51 |          1        0.01       99.92
         52 |          1        0.01       99.93
         53 |          1        0.01       99.94
         54 |          1        0.01       99.95
         57 |          1        0.01       99.96
         58 |          1        0.01       99.97
         60 |          1        0.01       99.98
         62 |          1        0.01       99.99
         66 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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