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

         a9 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,899       58.99       58.99
          1 |         47        0.47       59.46
          2 |         94        0.94       60.40
          3 |         71        0.71       61.11
          4 |         69        0.69       61.80
          5 |         72        0.72       62.52
          6 |         93        0.93       63.45
          7 |        122        1.22       64.67
          8 |        129        1.29       65.96
          9 |        115        1.15       67.11
         10 |        124        1.24       68.35
         11 |        146        1.46       69.81
         12 |        144        1.44       71.25
         13 |        160        1.60       72.85
         14 |        202        2.02       74.87
         15 |        186        1.86       76.73
         16 |        181        1.81       78.54
         17 |        174        1.74       80.28
         18 |        215        2.15       82.43
         19 |        191        1.91       84.34
         20 |        153        1.53       85.87
         21 |        194        1.94       87.81
         22 |        152        1.52       89.33
         23 |        138        1.38       90.71
         24 |        143        1.43       92.14
         25 |        102        1.02       93.16
         26 |        116        1.16       94.32
         27 |         91        0.91       95.23
         28 |         93        0.93       96.16
         29 |         74        0.74       96.90
         30 |         46        0.46       97.36
         31 |         46        0.46       97.82
         32 |         28        0.28       98.10
         33 |         34        0.34       98.44
         34 |         28        0.28       98.72
         35 |         22        0.22       98.94
         36 |         13        0.13       99.07
         37 |         25        0.25       99.32
         38 |         15        0.15       99.47
         39 |         12        0.12       99.59
         40 |         12        0.12       99.71
         41 |          9        0.09       99.80
         42 |          2        0.02       99.82
         43 |          3        0.03       99.85
         44 |          3        0.03       99.88
         45 |          3        0.03       99.91
         46 |          3        0.03       99.94
         47 |          1        0.01       99.95
         48 |          1        0.01       99.96
         49 |          1        0.01       99.97
         53 |          1        0.01       99.98
         54 |          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