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

         a7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,777       57.77       57.77
          1 |         43        0.43       58.20
          2 |         82        0.82       59.02
          3 |         74        0.74       59.76
          4 |         76        0.76       60.52
          5 |         81        0.81       61.33
          6 |        100        1.00       62.33
          7 |         99        0.99       63.32
          8 |        123        1.23       64.55
          9 |        134        1.34       65.89
         10 |        149        1.49       67.38
         11 |        156        1.56       68.94
         12 |        170        1.70       70.64
         13 |        181        1.81       72.45
         14 |        157        1.57       74.02
         15 |        180        1.80       75.82
         16 |        197        1.97       77.79
         17 |        202        2.02       79.81
         18 |        189        1.89       81.70
         19 |        194        1.94       83.64
         20 |        190        1.90       85.54
         21 |        191        1.91       87.45
         22 |        182        1.82       89.27
         23 |        146        1.46       90.73
         24 |        125        1.25       91.98
         25 |        114        1.14       93.12
         26 |        102        1.02       94.14
         27 |         99        0.99       95.13
         28 |         95        0.95       96.08
         29 |         64        0.64       96.72
         30 |         64        0.64       97.36
         31 |         34        0.34       97.70
         32 |         43        0.43       98.13
         33 |         31        0.31       98.44
         34 |         29        0.29       98.73
         35 |         25        0.25       98.98
         36 |         16        0.16       99.14
         37 |         14        0.14       99.28
         38 |         18        0.18       99.46
         39 |         10        0.10       99.56
         40 |         10        0.10       99.66
         41 |          3        0.03       99.69
         42 |          8        0.08       99.77
         43 |          5        0.05       99.82
         45 |          2        0.02       99.84
         46 |          1        0.01       99.85
         47 |          1        0.01       99.86
         48 |          2        0.02       99.88
         51 |          3        0.03       99.91
         52 |          1        0.01       99.92
         54 |          1        0.01       99.93
         55 |          2        0.02       99.95
         58 |          1        0.01       99.96
         59 |          1        0.01       99.97
         66 |          1        0.01       99.98
         71 |          1        0.01       99.99
         72 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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