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

         a9 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,633       46.33       46.33
          1 |         71        0.71       47.04
          2 |        104        1.04       48.08
          3 |         87        0.87       48.95
          4 |         90        0.90       49.85
          5 |        120        1.20       51.05
          6 |        139        1.39       52.44
          7 |        131        1.31       53.75
          8 |        168        1.68       55.43
          9 |        168        1.68       57.11
         10 |        164        1.64       58.75
         11 |        217        2.17       60.92
         12 |        227        2.27       63.19
         13 |        235        2.35       65.54
         14 |        237        2.37       67.91
         15 |        274        2.74       70.65
         16 |        274        2.74       73.39
         17 |        264        2.64       76.03
         18 |        283        2.83       78.86
         19 |        224        2.24       81.10
         20 |        217        2.17       83.27
         21 |        228        2.28       85.55
         22 |        203        2.03       87.58
         23 |        168        1.68       89.26
         24 |        160        1.60       90.86
         25 |        142        1.42       92.28
         26 |        122        1.22       93.50
         27 |        105        1.05       94.55
         28 |         87        0.87       95.42
         29 |         69        0.69       96.11
         30 |         79        0.79       96.90
         31 |         67        0.67       97.57
         32 |         46        0.46       98.03
         33 |         43        0.43       98.46
         34 |         36        0.36       98.82
         35 |         23        0.23       99.05
         36 |         16        0.16       99.21
         37 |         17        0.17       99.38
         38 |         17        0.17       99.55
         39 |         10        0.10       99.65
         40 |          8        0.08       99.73
         41 |          7        0.07       99.80
         42 |          5        0.05       99.85
         43 |          5        0.05       99.90
         44 |          2        0.02       99.92
         45 |          1        0.01       99.93
         47 |          1        0.01       99.94
         48 |          1        0.01       99.95
         49 |          1        0.01       99.96
         50 |          1        0.01       99.97
         51 |          1        0.01       99.98
         59 |          1        0.01       99.99
         62 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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