Frequencies for first 10,000 rows of a3 variable in miacc dataset :

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,940       59.40       59.40
          1 |         66        0.66       60.06
          2 |         77        0.77       60.83
          3 |         82        0.82       61.65
          4 |         83        0.83       62.48
          5 |         87        0.87       63.35
          6 |         88        0.88       64.23
          7 |        115        1.15       65.38
          8 |        115        1.15       66.53
          9 |        134        1.34       67.87
         10 |        158        1.58       69.45
         11 |        130        1.30       70.75
         12 |        166        1.66       72.41
         13 |        160        1.60       74.01
         14 |        171        1.71       75.72
         15 |        153        1.53       77.25
         16 |        189        1.89       79.14
         17 |        198        1.98       81.12
         18 |        180        1.80       82.92
         19 |        175        1.75       84.67
         20 |        171        1.71       86.38
         21 |        171        1.71       88.09
         22 |        156        1.56       89.65
         23 |        143        1.43       91.08
         24 |        117        1.17       92.25
         25 |        108        1.08       93.33
         26 |        121        1.21       94.54
         27 |         91        0.91       95.45
         28 |         73        0.73       96.18
         29 |         68        0.68       96.86
         30 |         58        0.58       97.44
         31 |         39        0.39       97.83
         32 |         32        0.32       98.15
         33 |         29        0.29       98.44
         34 |         29        0.29       98.73
         35 |         24        0.24       98.97
         36 |         18        0.18       99.15
         37 |         14        0.14       99.29
         38 |         11        0.11       99.40
         39 |         12        0.12       99.52
         40 |          7        0.07       99.59
         41 |          8        0.08       99.67
         42 |          5        0.05       99.72
         43 |          3        0.03       99.75
         44 |          9        0.09       99.84
         45 |          6        0.06       99.90
         46 |          2        0.02       99.92
         47 |          2        0.02       99.94
         49 |          1        0.01       99.95
         50 |          2        0.02       99.97
         51 |          1        0.01       99.98
         53 |          1        0.01       99.99
         56 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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