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

         a9 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,839       58.39       58.39
          1 |         64        0.64       59.03
          2 |         74        0.74       59.77
          3 |         93        0.93       60.70
          4 |        103        1.03       61.73
          5 |         86        0.86       62.59
          6 |         93        0.93       63.52
          7 |         95        0.95       64.47
          8 |        124        1.24       65.71
          9 |        134        1.34       67.05
         10 |        153        1.53       68.58
         11 |        165        1.65       70.23
         12 |        162        1.62       71.85
         13 |        172        1.72       73.57
         14 |        163        1.63       75.20
         15 |        195        1.95       77.15
         16 |        198        1.98       79.13
         17 |        166        1.66       80.79
         18 |        181        1.81       82.60
         19 |        176        1.76       84.36
         20 |        179        1.79       86.15
         21 |        182        1.82       87.97
         22 |        190        1.90       89.87
         23 |        148        1.48       91.35
         24 |        120        1.20       92.55
         25 |        116        1.16       93.71
         26 |        101        1.01       94.72
         27 |         96        0.96       95.68
         28 |         77        0.77       96.45
         29 |         65        0.65       97.10
         30 |         37        0.37       97.47
         31 |         39        0.39       97.86
         32 |         41        0.41       98.27
         33 |         28        0.28       98.55
         34 |         21        0.21       98.76
         35 |         19        0.19       98.95
         36 |         16        0.16       99.11
         37 |         15        0.15       99.26
         38 |         19        0.19       99.45
         39 |         14        0.14       99.59
         40 |          4        0.04       99.63
         41 |          8        0.08       99.71
         42 |          6        0.06       99.77
         43 |          3        0.03       99.80
         44 |          2        0.02       99.82
         45 |          3        0.03       99.85
         46 |          2        0.02       99.87
         47 |          2        0.02       99.89
         48 |          1        0.01       99.90
         49 |          1        0.01       99.91
         50 |          1        0.01       99.92
         51 |          1        0.01       99.93
         52 |          1        0.01       99.94
         54 |          1        0.01       99.95
         56 |          1        0.01       99.96
         57 |          1        0.01       99.97
         61 |          1        0.01       99.98
         63 |          1        0.01       99.99
         89 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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