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

         a7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,857       58.57       58.57
          1 |         51        0.51       59.08
          2 |         86        0.86       59.94
          3 |         79        0.79       60.73
          4 |         87        0.87       61.60
          5 |         77        0.77       62.37
          6 |        101        1.01       63.38
          7 |         99        0.99       64.37
          8 |        122        1.22       65.59
          9 |        123        1.23       66.82
         10 |        136        1.36       68.18
         11 |        164        1.64       69.82
         12 |        155        1.55       71.37
         13 |        166        1.66       73.03
         14 |        164        1.64       74.67
         15 |        182        1.82       76.49
         16 |        200        2.00       78.49
         17 |        191        1.91       80.40
         18 |        188        1.88       82.28
         19 |        196        1.96       84.24
         20 |        161        1.61       85.85
         21 |        171        1.71       87.56
         22 |        205        2.05       89.61
         23 |        156        1.56       91.17
         24 |        146        1.46       92.63
         25 |        112        1.12       93.75
         26 |         97        0.97       94.72
         27 |         80        0.80       95.52
         28 |         96        0.96       96.48
         29 |         59        0.59       97.07
         30 |         50        0.50       97.57
         31 |         58        0.58       98.15
         32 |         33        0.33       98.48
         33 |         27        0.27       98.75
         34 |         16        0.16       98.91
         35 |         17        0.17       99.08
         36 |         18        0.18       99.26
         37 |         12        0.12       99.38
         38 |         15        0.15       99.53
         39 |         10        0.10       99.63
         40 |          6        0.06       99.69
         41 |          5        0.05       99.74
         42 |          5        0.05       99.79
         43 |          3        0.03       99.82
         44 |          3        0.03       99.85
         45 |          4        0.04       99.89
         46 |          1        0.01       99.90
         47 |          3        0.03       99.93
         48 |          1        0.01       99.94
         50 |          1        0.01       99.95
         51 |          1        0.01       99.96
         52 |          1        0.01       99.97
         55 |          1        0.01       99.98
         62 |          1        0.01       99.99
         78 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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