Frequencies for first 10,000 rows of a9 variable in miacc dataset :

         a9 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,019       60.19       60.19
          1 |         66        0.66       60.85
          2 |         74        0.74       61.59
          3 |         58        0.58       62.17
          4 |         69        0.69       62.86
          5 |         68        0.68       63.54
          6 |         71        0.71       64.25
          7 |         97        0.97       65.22
          8 |         86        0.86       66.08
          9 |        115        1.15       67.23
         10 |        115        1.15       68.38
         11 |        149        1.49       69.87
         12 |        153        1.53       71.40
         13 |        160        1.60       73.00
         14 |        185        1.85       74.85
         15 |        190        1.90       76.75
         16 |        183        1.83       78.58
         17 |        186        1.86       80.44
         18 |        193        1.93       82.37
         19 |        194        1.94       84.31
         20 |        199        1.99       86.30
         21 |        171        1.71       88.01
         22 |        172        1.72       89.73
         23 |        130        1.30       91.03
         24 |        133        1.33       92.36
         25 |        136        1.36       93.72
         26 |        118        1.18       94.90
         27 |         80        0.80       95.70
         28 |         70        0.70       96.40
         29 |         53        0.53       96.93
         30 |         68        0.68       97.61
         31 |         43        0.43       98.04
         32 |         30        0.30       98.34
         33 |         31        0.31       98.65
         34 |         17        0.17       98.82
         35 |         29        0.29       99.11
         36 |         23        0.23       99.34
         37 |         15        0.15       99.49
         38 |          7        0.07       99.56
         39 |          8        0.08       99.64
         40 |          8        0.08       99.72
         41 |          3        0.03       99.75
         42 |          5        0.05       99.80
         43 |          2        0.02       99.82
         44 |          7        0.07       99.89
         46 |          2        0.02       99.91
         48 |          2        0.02       99.93
         50 |          1        0.01       99.94
         59 |          1        0.01       99.95
         67 |          1        0.01       99.96
         68 |          1        0.01       99.97
         79 |          1        0.01       99.98
         94 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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