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

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,065       50.65       50.65
          1 |         46        0.46       51.11
          2 |         81        0.81       51.92
          3 |         96        0.96       52.88
          4 |         87        0.87       53.75
          5 |         87        0.87       54.62
          6 |         94        0.94       55.56
          7 |        122        1.22       56.78
          8 |        129        1.29       58.07
          9 |        155        1.55       59.62
         10 |        167        1.67       61.29
         11 |        178        1.78       63.07
         12 |        180        1.80       64.87
         13 |        187        1.87       66.74
         14 |        241        2.41       69.15
         15 |        238        2.38       71.53
         16 |        253        2.53       74.06
         17 |        246        2.46       76.52
         18 |        229        2.29       78.81
         19 |        203        2.03       80.84
         20 |        228        2.28       83.12
         21 |        208        2.08       85.20
         22 |        191        1.91       87.11
         23 |        161        1.61       88.72
         24 |        163        1.63       90.35
         25 |        125        1.25       91.60
         26 |        161        1.61       93.21
         27 |         94        0.94       94.15
         28 |        102        1.02       95.17
         29 |         95        0.95       96.12
         30 |         78        0.78       96.90
         31 |         55        0.55       97.45
         32 |         39        0.39       97.84
         33 |         34        0.34       98.18
         34 |         27        0.27       98.45
         35 |         21        0.21       98.66
         36 |         22        0.22       98.88
         37 |         21        0.21       99.09
         38 |         16        0.16       99.25
         39 |         15        0.15       99.40
         40 |          7        0.07       99.47
         41 |         10        0.10       99.57
         42 |          5        0.05       99.62
         43 |          7        0.07       99.69
         44 |          5        0.05       99.74
         45 |          8        0.08       99.82
         46 |          5        0.05       99.87
         47 |          5        0.05       99.92
         48 |          2        0.02       99.94
         49 |          1        0.01       99.95
         52 |          1        0.01       99.96
         54 |          1        0.01       99.97
         56 |          1        0.01       99.98
         71 |          1        0.01       99.99
         88 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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