Frequencies for first 10,000 rows of a9 variable in miacc dataset :

         a9 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,945       59.45       59.45
          1 |         60        0.60       60.05
          2 |         83        0.83       60.88
          3 |         77        0.77       61.65
          4 |         97        0.97       62.62
          5 |         91        0.91       63.53
          6 |        101        1.01       64.54
          7 |         84        0.84       65.38
          8 |        101        1.01       66.39
          9 |        118        1.18       67.57
         10 |        124        1.24       68.81
         11 |        121        1.21       70.02
         12 |        148        1.48       71.50
         13 |        136        1.36       72.86
         14 |        149        1.49       74.35
         15 |        181        1.81       76.16
         16 |        189        1.89       78.05
         17 |        182        1.82       79.87
         18 |        201        2.01       81.88
         19 |        186        1.86       83.74
         20 |        171        1.71       85.45
         21 |        192        1.92       87.37
         22 |        139        1.39       88.76
         23 |        161        1.61       90.37
         24 |        145        1.45       91.82
         25 |        127        1.27       93.09
         26 |         89        0.89       93.98
         27 |         90        0.90       94.88
         28 |         94        0.94       95.82
         29 |         73        0.73       96.55
         30 |         64        0.64       97.19
         31 |         60        0.60       97.79
         32 |         40        0.40       98.19
         33 |         30        0.30       98.49
         34 |         29        0.29       98.78
         35 |         22        0.22       99.00
         36 |         20        0.20       99.20
         37 |         11        0.11       99.31
         38 |         11        0.11       99.42
         39 |         13        0.13       99.55
         40 |          7        0.07       99.62
         41 |          4        0.04       99.66
         42 |          6        0.06       99.72
         43 |          6        0.06       99.78
         44 |          1        0.01       99.79
         45 |          4        0.04       99.83
         46 |          2        0.02       99.85
         47 |          4        0.04       99.89
         48 |          2        0.02       99.91
         49 |          1        0.01       99.92
         51 |          1        0.01       99.93
         53 |          1        0.01       99.94
         54 |          2        0.02       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