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

         a9 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,295       52.95       52.95
          1 |         56        0.56       53.51
          2 |         94        0.94       54.45
          3 |         90        0.90       55.35
          4 |         91        0.91       56.26
          5 |        108        1.08       57.34
          6 |         97        0.97       58.31
          7 |        118        1.18       59.49
          8 |        128        1.28       60.77
          9 |        157        1.57       62.34
         10 |        163        1.63       63.97
         11 |        156        1.56       65.53
         12 |        191        1.91       67.44
         13 |        208        2.08       69.52
         14 |        211        2.11       71.63
         15 |        255        2.55       74.18
         16 |        207        2.07       76.25
         17 |        218        2.18       78.43
         18 |        212        2.12       80.55
         19 |        200        2.00       82.55
         20 |        220        2.20       84.75
         21 |        201        2.01       86.76
         22 |        182        1.82       88.58
         23 |        160        1.60       90.18
         24 |        135        1.35       91.53
         25 |        137        1.37       92.90
         26 |         99        0.99       93.89
         27 |        105        1.05       94.94
         28 |         93        0.93       95.87
         29 |         94        0.94       96.81
         30 |         58        0.58       97.39
         31 |         42        0.42       97.81
         32 |         44        0.44       98.25
         33 |         30        0.30       98.55
         34 |         34        0.34       98.89
         35 |         25        0.25       99.14
         36 |         20        0.20       99.34
         37 |         19        0.19       99.53
         38 |         11        0.11       99.64
         39 |          5        0.05       99.69
         40 |          5        0.05       99.74
         41 |         10        0.10       99.84
         42 |          1        0.01       99.85
         43 |          3        0.03       99.88
         44 |          1        0.01       99.89
         46 |          1        0.01       99.90
         48 |          4        0.04       99.94
         52 |          2        0.02       99.96
         55 |          1        0.01       99.97
         56 |          1        0.01       99.98
         61 |          1        0.01       99.99
         62 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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