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

         a7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,620       46.20       46.20
          1 |         69        0.69       46.89
          2 |        103        1.03       47.92
          3 |        112        1.12       49.04
          4 |         97        0.97       50.01
          5 |        115        1.15       51.16
          6 |        155        1.55       52.71
          7 |        151        1.51       54.22
          8 |        138        1.38       55.60
          9 |        189        1.89       57.49
         10 |        146        1.46       58.95
         11 |        190        1.90       60.85
         12 |        206        2.06       62.91
         13 |        226        2.26       65.17
         14 |        246        2.46       67.63
         15 |        236        2.36       69.99
         16 |        277        2.77       72.76
         17 |        275        2.75       75.51
         18 |        254        2.54       78.05
         19 |        250        2.50       80.55
         20 |        228        2.28       82.83
         21 |        227        2.27       85.10
         22 |        216        2.16       87.26
         23 |        162        1.62       88.88
         24 |        152        1.52       90.40
         25 |        155        1.55       91.95
         26 |        139        1.39       93.34
         27 |        122        1.22       94.56
         28 |         91        0.91       95.47
         29 |         76        0.76       96.23
         30 |         74        0.74       96.97
         31 |         58        0.58       97.55
         32 |         49        0.49       98.04
         33 |         32        0.32       98.36
         34 |         40        0.40       98.76
         35 |         23        0.23       98.99
         36 |         14        0.14       99.13
         37 |         18        0.18       99.31
         38 |          6        0.06       99.37
         39 |         16        0.16       99.53
         40 |         10        0.10       99.63
         41 |          5        0.05       99.68
         42 |          3        0.03       99.71
         43 |          4        0.04       99.75
         44 |          4        0.04       99.79
         45 |          3        0.03       99.82
         46 |          3        0.03       99.85
         47 |          1        0.01       99.86
         48 |          3        0.03       99.89
         49 |          5        0.05       99.94
         50 |          1        0.01       99.95
         51 |          1        0.01       99.96
         53 |          1        0.01       99.97
         57 |          1        0.01       99.98
         59 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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