Frequencies for a8 variable in miacc dataset :

         a8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        192       55.98       55.98
          1 |          2        0.58       56.56
          2 |          6        1.75       58.31
          3 |          1        0.29       58.60
          4 |          4        1.17       59.77
          5 |          7        2.04       61.81
          6 |          7        2.04       63.85
          7 |          5        1.46       65.31
          8 |          3        0.87       66.18
          9 |          5        1.46       67.64
         10 |          3        0.87       68.51
         11 |          6        1.75       70.26
         12 |          7        2.04       72.30
         13 |          5        1.46       73.76
         14 |          3        0.87       74.64
         15 |          3        0.87       75.51
         16 |          7        2.04       77.55
         17 |         10        2.92       80.47
         18 |          8        2.33       82.80
         19 |          1        0.29       83.09
         20 |          5        1.46       84.55
         21 |          6        1.75       86.30
         22 |          4        1.17       87.46
         23 |          3        0.87       88.34
         24 |          5        1.46       89.80
         25 |          6        1.75       91.55
         26 |          5        1.46       93.00
         27 |          2        0.58       93.59
         28 |          1        0.29       93.88
         29 |          3        0.87       94.75
         30 |          3        0.87       95.63
         31 |          2        0.58       96.21
         32 |          1        0.29       96.50
         33 |          2        0.58       97.08
         34 |          1        0.29       97.38
         37 |          2        0.58       97.96
         38 |          1        0.29       98.25
         39 |          2        0.58       98.83
         41 |          1        0.29       99.13
         44 |          2        0.58       99.71
         75 |          1        0.29      100.00
------------+-----------------------------------
      Total |        343      100.00

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