Frequencies for first 10,000 rows of a6 variable in miacc dataset :

         a6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,508       45.08       45.08
          1 |         53        0.53       45.61
          2 |         93        0.93       46.54
          3 |        117        1.17       47.71
          4 |        112        1.12       48.83
          5 |        122        1.22       50.05
          6 |        153        1.53       51.58
          7 |        142        1.42       53.00
          8 |        153        1.53       54.53
          9 |        192        1.92       56.45
         10 |        224        2.24       58.69
         11 |        231        2.31       61.00
         12 |        231        2.31       63.31
         13 |        247        2.47       65.78
         14 |        259        2.59       68.37
         15 |        273        2.73       71.10
         16 |        260        2.60       73.70
         17 |        261        2.61       76.31
         18 |        280        2.80       79.11
         19 |        226        2.26       81.37
         20 |        220        2.20       83.57
         21 |        198        1.98       85.55
         22 |        204        2.04       87.59
         23 |        166        1.66       89.25
         24 |        171        1.71       90.96
         25 |        137        1.37       92.33
         26 |        127        1.27       93.60
         27 |        116        1.16       94.76
         28 |        100        1.00       95.76
         29 |         79        0.79       96.55
         30 |         73        0.73       97.28
         31 |         45        0.45       97.73
         32 |         41        0.41       98.14
         33 |         39        0.39       98.53
         34 |         22        0.22       98.75
         35 |         15        0.15       98.90
         36 |         21        0.21       99.11
         37 |         21        0.21       99.32
         38 |         17        0.17       99.49
         39 |          9        0.09       99.58
         40 |          7        0.07       99.65
         41 |          5        0.05       99.70
         42 |          2        0.02       99.72
         43 |          8        0.08       99.80
         44 |          4        0.04       99.84
         45 |          3        0.03       99.87
         47 |          2        0.02       99.89
         48 |          1        0.01       99.90
         49 |          1        0.01       99.91
         50 |          1        0.01       99.92
         51 |          2        0.02       99.94
         52 |          1        0.01       99.95
         56 |          1        0.01       99.96
         57 |          2        0.02       99.98
         60 |          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