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

         a7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,672       46.72       46.72
          1 |         72        0.72       47.44
          2 |         96        0.96       48.40
          3 |         91        0.91       49.31
          4 |         89        0.89       50.20
          5 |        123        1.23       51.43
          6 |        128        1.28       52.71
          7 |        124        1.24       53.95
          8 |        152        1.52       55.47
          9 |        148        1.48       56.95
         10 |        169        1.69       58.64
         11 |        221        2.21       60.85
         12 |        223        2.23       63.08
         13 |        247        2.47       65.55
         14 |        233        2.33       67.88
         15 |        261        2.61       70.49
         16 |        281        2.81       73.30
         17 |        270        2.70       76.00
         18 |        272        2.72       78.72
         19 |        225        2.25       80.97
         20 |        242        2.42       83.39
         21 |        229        2.29       85.68
         22 |        204        2.04       87.72
         23 |        187        1.87       89.59
         24 |        147        1.47       91.06
         25 |        132        1.32       92.38
         26 |        117        1.17       93.55
         27 |        106        1.06       94.61
         28 |         88        0.88       95.49
         29 |         75        0.75       96.24
         30 |         82        0.82       97.06
         31 |         63        0.63       97.69
         32 |         41        0.41       98.10
         33 |         44        0.44       98.54
         34 |         34        0.34       98.88
         35 |         20        0.20       99.08
         36 |         17        0.17       99.25
         37 |         14        0.14       99.39
         38 |         16        0.16       99.55
         39 |          7        0.07       99.62
         40 |         10        0.10       99.72
         41 |          6        0.06       99.78
         42 |          6        0.06       99.84
         43 |          4        0.04       99.88
         45 |          4        0.04       99.92
         46 |          1        0.01       99.93
         47 |          2        0.02       99.95
         50 |          1        0.01       99.96
         51 |          1        0.01       99.97
         57 |          1        0.01       99.98
         59 |          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