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

         a7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,031       60.31       60.31
          1 |         46        0.46       60.77
          2 |         88        0.88       61.65
          3 |         84        0.84       62.49
          4 |         81        0.81       63.30
          5 |         89        0.89       64.19
          6 |         99        0.99       65.18
          7 |         90        0.90       66.08
          8 |        122        1.22       67.30
          9 |        110        1.10       68.40
         10 |        149        1.49       69.89
         11 |        133        1.33       71.22
         12 |        148        1.48       72.70
         13 |        144        1.44       74.14
         14 |        188        1.88       76.02
         15 |        175        1.75       77.77
         16 |        194        1.94       79.71
         17 |        185        1.85       81.56
         18 |        158        1.58       83.14
         19 |        180        1.80       84.94
         20 |        179        1.79       86.73
         21 |        168        1.68       88.41
         22 |        148        1.48       89.89
         23 |        135        1.35       91.24
         24 |        114        1.14       92.38
         25 |        125        1.25       93.63
         26 |        111        1.11       94.74
         27 |         73        0.73       95.47
         28 |         80        0.80       96.27
         29 |         61        0.61       96.88
         30 |         45        0.45       97.33
         31 |         57        0.57       97.90
         32 |         44        0.44       98.34
         33 |         29        0.29       98.63
         34 |         26        0.26       98.89
         35 |         16        0.16       99.05
         36 |          9        0.09       99.14
         37 |         13        0.13       99.27
         38 |         15        0.15       99.42
         39 |          9        0.09       99.51
         40 |         11        0.11       99.62
         41 |          6        0.06       99.68
         42 |          8        0.08       99.76
         43 |          4        0.04       99.80
         44 |          5        0.05       99.85
         45 |          5        0.05       99.90
         46 |          1        0.01       99.91
         47 |          2        0.02       99.93
         49 |          2        0.02       99.95
         50 |          1        0.01       99.96
         51 |          1        0.01       99.97
         57 |          1        0.01       99.98
         67 |          1        0.01       99.99
         77 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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