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

         a9 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,961       59.61       59.61
          1 |         47        0.47       60.08
          2 |         82        0.82       60.90
          3 |         83        0.83       61.73
          4 |         97        0.97       62.70
          5 |         86        0.86       63.56
          6 |         86        0.86       64.42
          7 |         87        0.87       65.29
          8 |        107        1.07       66.36
          9 |        113        1.13       67.49
         10 |        134        1.34       68.83
         11 |        135        1.35       70.18
         12 |        145        1.45       71.63
         13 |        153        1.53       73.16
         14 |        170        1.70       74.86
         15 |        193        1.93       76.79
         16 |        166        1.66       78.45
         17 |        194        1.94       80.39
         18 |        180        1.80       82.19
         19 |        160        1.60       83.79
         20 |        166        1.66       85.45
         21 |        164        1.64       87.09
         22 |        143        1.43       88.52
         23 |        150        1.50       90.02
         24 |        138        1.38       91.40
         25 |        106        1.06       92.46
         26 |        123        1.23       93.69
         27 |        115        1.15       94.84
         28 |         88        0.88       95.72
         29 |         53        0.53       96.25
         30 |         52        0.52       96.77
         31 |         40        0.40       97.17
         32 |         42        0.42       97.59
         33 |         46        0.46       98.05
         34 |         33        0.33       98.38
         35 |         31        0.31       98.69
         36 |         31        0.31       99.00
         37 |         20        0.20       99.20
         38 |         15        0.15       99.35
         39 |         13        0.13       99.48
         40 |         12        0.12       99.60
         41 |         10        0.10       99.70
         42 |          3        0.03       99.73
         43 |          7        0.07       99.80
         44 |          4        0.04       99.84
         45 |          1        0.01       99.85
         46 |          4        0.04       99.89
         47 |          1        0.01       99.90
         48 |          1        0.01       99.91
         49 |          1        0.01       99.92
         55 |          1        0.01       99.93
         61 |          1        0.01       99.94
         63 |          1        0.01       99.95
         64 |          2        0.02       99.97
         66 |          1        0.01       99.98
         73 |          1        0.01       99.99
         76 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016