Frequencies for first 10,000 rows of a3 variable in miacc dataset :

         a3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,960       59.60       59.60
          1 |         45        0.45       60.05
          2 |         89        0.89       60.94
          3 |         92        0.92       61.86
          4 |         81        0.81       62.67
          5 |         92        0.92       63.59
          6 |         99        0.99       64.58
          7 |         81        0.81       65.39
          8 |        115        1.15       66.54
          9 |        115        1.15       67.69
         10 |        159        1.59       69.28
         11 |        142        1.42       70.70
         12 |        149        1.49       72.19
         13 |        149        1.49       73.68
         14 |        195        1.95       75.63
         15 |        179        1.79       77.42
         16 |        202        2.02       79.44
         17 |        188        1.88       81.32
         18 |        158        1.58       82.90
         19 |        178        1.78       84.68
         20 |        182        1.82       86.50
         21 |        175        1.75       88.25
         22 |        149        1.49       89.74
         23 |        141        1.41       91.15
         24 |        114        1.14       92.29
         25 |        123        1.23       93.52
         26 |        114        1.14       94.66
         27 |         80        0.80       95.46
         28 |         84        0.84       96.30
         29 |         62        0.62       96.92
         30 |         45        0.45       97.37
         31 |         55        0.55       97.92
         32 |         43        0.43       98.35
         33 |         34        0.34       98.69
         34 |         27        0.27       98.96
         35 |         15        0.15       99.11
         36 |          7        0.07       99.18
         37 |         11        0.11       99.29
         38 |         14        0.14       99.43
         39 |          9        0.09       99.52
         40 |         11        0.11       99.63
         41 |          4        0.04       99.67
         42 |          7        0.07       99.74
         43 |          5        0.05       99.79
         44 |          6        0.06       99.85
         45 |          4        0.04       99.89
         46 |          1        0.01       99.90
         47 |          1        0.01       99.91
         49 |          3        0.03       99.94
         50 |          1        0.01       99.95
         51 |          2        0.02       99.97
         57 |          1        0.01       99.98
         67 |          1        0.01       99.99
         77 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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