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

         a9 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,821       58.21       58.21
          1 |         46        0.46       58.67
          2 |         82        0.82       59.49
          3 |         82        0.82       60.31
          4 |         89        0.89       61.20
          5 |        103        1.03       62.23
          6 |         90        0.90       63.13
          7 |        109        1.09       64.22
          8 |        128        1.28       65.50
          9 |        130        1.30       66.80
         10 |        135        1.35       68.15
         11 |        148        1.48       69.63
         12 |        176        1.76       71.39
         13 |        166        1.66       73.05
         14 |        173        1.73       74.78
         15 |        198        1.98       76.76
         16 |        184        1.84       78.60
         17 |        198        1.98       80.58
         18 |        183        1.83       82.41
         19 |        203        2.03       84.44
         20 |        167        1.67       86.11
         21 |        202        2.02       88.13
         22 |        168        1.68       89.81
         23 |        125        1.25       91.06
         24 |        130        1.30       92.36
         25 |        100        1.00       93.36
         26 |        112        1.12       94.48
         27 |         94        0.94       95.42
         28 |         84        0.84       96.26
         29 |         67        0.67       96.93
         30 |         46        0.46       97.39
         31 |         37        0.37       97.76
         32 |         36        0.36       98.12
         33 |         33        0.33       98.45
         34 |         31        0.31       98.76
         35 |         19        0.19       98.95
         36 |         17        0.17       99.12
         37 |         11        0.11       99.23
         38 |         13        0.13       99.36
         39 |         11        0.11       99.47
         40 |         11        0.11       99.58
         41 |          8        0.08       99.66
         42 |          7        0.07       99.73
         43 |          6        0.06       99.79
         44 |          5        0.05       99.84
         45 |          4        0.04       99.88
         46 |          3        0.03       99.91
         47 |          1        0.01       99.92
         48 |          3        0.03       99.95
         51 |          2        0.02       99.97
         52 |          2        0.02       99.99
         68 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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