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

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,767       57.67       57.67
          1 |         46        0.46       58.13
          2 |         81        0.81       58.94
          3 |         89        0.89       59.83
          4 |         64        0.64       60.47
          5 |         91        0.91       61.38
          6 |        107        1.07       62.45
          7 |         98        0.98       63.43
          8 |        137        1.37       64.80
          9 |        133        1.33       66.13
         10 |        160        1.60       67.73
         11 |        151        1.51       69.24
         12 |        169        1.69       70.93
         13 |        160        1.60       72.53
         14 |        173        1.73       74.26
         15 |        196        1.96       76.22
         16 |        193        1.93       78.15
         17 |        195        1.95       80.10
         18 |        195        1.95       82.05
         19 |        177        1.77       83.82
         20 |        173        1.73       85.55
         21 |        198        1.98       87.53
         22 |        177        1.77       89.30
         23 |        150        1.50       90.80
         24 |        126        1.26       92.06
         25 |        113        1.13       93.19
         26 |         97        0.97       94.16
         27 |        109        1.09       95.25
         28 |         81        0.81       96.06
         29 |         60        0.60       96.66
         30 |         63        0.63       97.29
         31 |         40        0.40       97.69
         32 |         40        0.40       98.09
         33 |         36        0.36       98.45
         34 |         28        0.28       98.73
         35 |         26        0.26       98.99
         36 |         18        0.18       99.17
         37 |         12        0.12       99.29
         38 |         23        0.23       99.52
         39 |          9        0.09       99.61
         40 |          9        0.09       99.70
         41 |          3        0.03       99.73
         42 |          4        0.04       99.77
         43 |          4        0.04       99.81
         44 |          3        0.03       99.84
         45 |          1        0.01       99.85
         46 |          1        0.01       99.86
         48 |          1        0.01       99.87
         51 |          3        0.03       99.90
         52 |          1        0.01       99.91
         54 |          1        0.01       99.92
         55 |          3        0.03       99.95
         58 |          1        0.01       99.96
         60 |          1        0.01       99.97
         66 |          1        0.01       99.98
         71 |          1        0.01       99.99
         72 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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