Frequencies for first 10,000 rows of a7 variable in miacc dataset :

         a7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,365       43.65       43.65
          1 |         52        0.52       44.17
          2 |         73        0.73       44.90
          3 |         99        0.99       45.89
          4 |         85        0.85       46.74
          5 |        125        1.25       47.99
          6 |        132        1.32       49.31
          7 |        139        1.39       50.70
          8 |        169        1.69       52.39
          9 |        190        1.90       54.29
         10 |        187        1.87       56.16
         11 |        219        2.19       58.35
         12 |        231        2.31       60.66
         13 |        270        2.70       63.36
         14 |        234        2.34       65.70
         15 |        281        2.81       68.51
         16 |        295        2.95       71.46
         17 |        283        2.83       74.29
         18 |        298        2.98       77.27
         19 |        245        2.45       79.72
         20 |        248        2.48       82.20
         21 |        249        2.49       84.69
         22 |        228        2.28       86.97
         23 |        194        1.94       88.91
         24 |        159        1.59       90.50
         25 |        162        1.62       92.12
         26 |        125        1.25       93.37
         27 |        126        1.26       94.63
         28 |        100        1.00       95.63
         29 |         71        0.71       96.34
         30 |         66        0.66       97.00
         31 |         64        0.64       97.64
         32 |         42        0.42       98.06
         33 |         29        0.29       98.35
         34 |         27        0.27       98.62
         35 |         32        0.32       98.94
         36 |         13        0.13       99.07
         37 |         15        0.15       99.22
         38 |         14        0.14       99.36
         39 |         10        0.10       99.46
         40 |         12        0.12       99.58
         41 |          8        0.08       99.66
         42 |          6        0.06       99.72
         43 |          2        0.02       99.74
         44 |          8        0.08       99.82
         45 |          3        0.03       99.85
         46 |          2        0.02       99.87
         47 |          1        0.01       99.88
         48 |          3        0.03       99.91
         50 |          1        0.01       99.92
         51 |          1        0.01       99.93
         52 |          3        0.03       99.96
         53 |          1        0.01       99.97
         56 |          1        0.01       99.98
         58 |          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