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

         a1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,056       60.56       60.56
          1 |         64        0.64       61.20
          2 |         79        0.79       61.99
          3 |         69        0.69       62.68
          4 |         78        0.78       63.46
          5 |         68        0.68       64.14
          6 |         76        0.76       64.90
          7 |         85        0.85       65.75
          8 |         81        0.81       66.56
          9 |         96        0.96       67.52
         10 |        119        1.19       68.71
         11 |        158        1.58       70.29
         12 |        143        1.43       71.72
         13 |        148        1.48       73.20
         14 |        174        1.74       74.94
         15 |        192        1.92       76.86
         16 |        176        1.76       78.62
         17 |        180        1.80       80.42
         18 |        191        1.91       82.33
         19 |        192        1.92       84.25
         20 |        181        1.81       86.06
         21 |        170        1.70       87.76
         22 |        170        1.70       89.46
         23 |        143        1.43       90.89
         24 |        136        1.36       92.25
         25 |        132        1.32       93.57
         26 |        120        1.20       94.77
         27 |         80        0.80       95.57
         28 |         75        0.75       96.32
         29 |         57        0.57       96.89
         30 |         70        0.70       97.59
         31 |         48        0.48       98.07
         32 |         32        0.32       98.39
         33 |         28        0.28       98.67
         34 |         18        0.18       98.85
         35 |         23        0.23       99.08
         36 |         21        0.21       99.29
         37 |         14        0.14       99.43
         38 |          6        0.06       99.49
         39 |          9        0.09       99.58
         40 |          9        0.09       99.67
         41 |          5        0.05       99.72
         42 |          5        0.05       99.77
         43 |          4        0.04       99.81
         44 |          8        0.08       99.89
         47 |          2        0.02       99.91
         48 |          2        0.02       99.93
         50 |          1        0.01       99.94
         59 |          1        0.01       99.95
         67 |          1        0.01       99.96
         68 |          1        0.01       99.97
         79 |          1        0.01       99.98
         94 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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