Frequencies for first 10,000 rows of a1 variable in miacc dataset :

         a1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,954       59.54       59.54
          1 |         60        0.60       60.14
          2 |         82        0.82       60.96
          3 |         78        0.78       61.74
          4 |         87        0.87       62.61
          5 |         85        0.85       63.46
          6 |         89        0.89       64.35
          7 |         88        0.88       65.23
          8 |        100        1.00       66.23
          9 |        128        1.28       67.51
         10 |        116        1.16       68.67
         11 |        117        1.17       69.84
         12 |        137        1.37       71.21
         13 |        133        1.33       72.54
         14 |        164        1.64       74.18
         15 |        180        1.80       75.98
         16 |        198        1.98       77.96
         17 |        189        1.89       79.85
         18 |        188        1.88       81.73
         19 |        184        1.84       83.57
         20 |        180        1.80       85.37
         21 |        199        1.99       87.36
         22 |        142        1.42       88.78
         23 |        160        1.60       90.38
         24 |        136        1.36       91.74
         25 |        122        1.22       92.96
         26 |         89        0.89       93.85
         27 |         94        0.94       94.79
         28 |         95        0.95       95.74
         29 |         76        0.76       96.50
         30 |         67        0.67       97.17
         31 |         62        0.62       97.79
         32 |         37        0.37       98.16
         33 |         31        0.31       98.47
         34 |         27        0.27       98.74
         35 |         24        0.24       98.98
         36 |         23        0.23       99.21
         37 |         12        0.12       99.33
         38 |          9        0.09       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 |          5        0.05       99.77
         44 |          2        0.02       99.79
         45 |          6        0.06       99.85
         46 |          2        0.02       99.87
         47 |          4        0.04       99.91
         51 |          1        0.01       99.92
         53 |          1        0.01       99.93
         54 |          1        0.01       99.94
         57 |          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