Frequencies for first 10,000 rows of a1 variable in miacc dataset :

         a1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,292       52.92       52.92
          1 |         57        0.57       53.49
          2 |         86        0.86       54.35
          3 |         94        0.94       55.29
          4 |        104        1.04       56.33
          5 |         91        0.91       57.24
          6 |        101        1.01       58.25
          7 |        117        1.17       59.42
          8 |        135        1.35       60.77
          9 |        149        1.49       62.26
         10 |        166        1.66       63.92
         11 |        151        1.51       65.43
         12 |        182        1.82       67.25
         13 |        212        2.12       69.37
         14 |        225        2.25       71.62
         15 |        246        2.46       74.08
         16 |        235        2.35       76.43
         17 |        205        2.05       78.48
         18 |        216        2.16       80.64
         19 |        198        1.98       82.62
         20 |        212        2.12       84.74
         21 |        211        2.11       86.85
         22 |        185        1.85       88.70
         23 |        167        1.67       90.37
         24 |        145        1.45       91.82
         25 |        128        1.28       93.10
         26 |        111        1.11       94.21
         27 |        101        1.01       95.22
         28 |         91        0.91       96.13
         29 |         77        0.77       96.90
         30 |         52        0.52       97.42
         31 |         45        0.45       97.87
         32 |         45        0.45       98.32
         33 |         34        0.34       98.66
         34 |         31        0.31       98.97
         35 |         16        0.16       99.13
         36 |         23        0.23       99.36
         37 |         20        0.20       99.56
         38 |         14        0.14       99.70
         39 |          6        0.06       99.76
         40 |          5        0.05       99.81
         41 |          7        0.07       99.88
         43 |          3        0.03       99.91
         44 |          1        0.01       99.92
         46 |          1        0.01       99.93
         48 |          2        0.02       99.95
         51 |          1        0.01       99.96
         52 |          2        0.02       99.98
         56 |          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