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

         a1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,956       59.56       59.56
          1 |         45        0.45       60.01
          2 |         84        0.84       60.85
          3 |         51        0.51       61.36
          4 |         85        0.85       62.21
          5 |         85        0.85       63.06
          6 |         93        0.93       63.99
          7 |        102        1.02       65.01
          8 |        107        1.07       66.08
          9 |        114        1.14       67.22
         10 |        124        1.24       68.46
         11 |        159        1.59       70.05
         12 |        154        1.54       71.59
         13 |        156        1.56       73.15
         14 |        173        1.73       74.88
         15 |        167        1.67       76.55
         16 |        188        1.88       78.43
         17 |        177        1.77       80.20
         18 |        179        1.79       81.99
         19 |        189        1.89       83.88
         20 |        179        1.79       85.67
         21 |        158        1.58       87.25
         22 |        183        1.83       89.08
         23 |        150        1.50       90.58
         24 |        128        1.28       91.86
         25 |        118        1.18       93.04
         26 |        119        1.19       94.23
         27 |         90        0.90       95.13
         28 |         62        0.62       95.75
         29 |         82        0.82       96.57
         30 |         43        0.43       97.00
         31 |         35        0.35       97.35
         32 |         41        0.41       97.76
         33 |         38        0.38       98.14
         34 |         42        0.42       98.56
         35 |         33        0.33       98.89
         36 |         16        0.16       99.05
         37 |         16        0.16       99.21
         38 |         13        0.13       99.34
         39 |         11        0.11       99.45
         40 |          9        0.09       99.54
         41 |         11        0.11       99.65
         42 |          4        0.04       99.69
         43 |          6        0.06       99.75
         44 |          2        0.02       99.77
         45 |          4        0.04       99.81
         46 |          3        0.03       99.84
         47 |          4        0.04       99.88
         48 |          1        0.01       99.89
         49 |          2        0.02       99.91
         50 |          1        0.01       99.92
         51 |          2        0.02       99.94
         52 |          2        0.02       99.96
         54 |          1        0.01       99.97
         55 |          1        0.01       99.98
         58 |          1        0.01       99.99
         65 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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