Frequencies for first 10,000 rows of a7 variable in miacc dataset :

         a7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,786       57.86       57.86
          1 |         65        0.65       58.51
          2 |        100        1.00       59.51
          3 |         93        0.93       60.44
          4 |         77        0.77       61.21
          5 |         98        0.98       62.19
          6 |         82        0.82       63.01
          7 |        103        1.03       64.04
          8 |        125        1.25       65.29
          9 |        145        1.45       66.74
         10 |        148        1.48       68.22
         11 |        168        1.68       69.90
         12 |        181        1.81       71.71
         13 |        158        1.58       73.29
         14 |        178        1.78       75.07
         15 |        188        1.88       76.95
         16 |        198        1.98       78.93
         17 |        220        2.20       81.13
         18 |        176        1.76       82.89
         19 |        181        1.81       84.70
         20 |        201        2.01       86.71
         21 |        152        1.52       88.23
         22 |        158        1.58       89.81
         23 |        134        1.34       91.15
         24 |        121        1.21       92.36
         25 |        133        1.33       93.69
         26 |        103        1.03       94.72
         27 |         94        0.94       95.66
         28 |         69        0.69       96.35
         29 |         65        0.65       97.00
         30 |         52        0.52       97.52
         31 |         42        0.42       97.94
         32 |         38        0.38       98.32
         33 |         25        0.25       98.57
         34 |         16        0.16       98.73
         35 |         29        0.29       99.02
         36 |         26        0.26       99.28
         37 |         13        0.13       99.41
         38 |          7        0.07       99.48
         39 |          9        0.09       99.57
         40 |          8        0.08       99.65
         41 |          9        0.09       99.74
         42 |          5        0.05       99.79
         43 |          3        0.03       99.82
         44 |          3        0.03       99.85
         45 |          2        0.02       99.87
         46 |          2        0.02       99.89
         47 |          3        0.03       99.92
         49 |          1        0.01       99.93
         50 |          1        0.01       99.94
         52 |          1        0.01       99.95
         53 |          1        0.01       99.96
         55 |          2        0.02       99.98
         61 |          1        0.01       99.99
         69 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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