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

         a7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,520       45.20       45.20
          1 |         57        0.57       45.77
          2 |         85        0.85       46.62
          3 |        120        1.20       47.82
          4 |        123        1.23       49.05
          5 |        131        1.31       50.36
          6 |        155        1.55       51.91
          7 |        147        1.47       53.38
          8 |        164        1.64       55.02
          9 |        182        1.82       56.84
         10 |        221        2.21       59.05
         11 |        225        2.25       61.30
         12 |        208        2.08       63.38
         13 |        247        2.47       65.85
         14 |        247        2.47       68.32
         15 |        245        2.45       70.77
         16 |        261        2.61       73.38
         17 |        282        2.82       76.20
         18 |        279        2.79       78.99
         19 |        225        2.25       81.24
         20 |        234        2.34       83.58
         21 |        207        2.07       85.65
         22 |        217        2.17       87.82
         23 |        179        1.79       89.61
         24 |        156        1.56       91.17
         25 |        140        1.40       92.57
         26 |        131        1.31       93.88
         27 |        109        1.09       94.97
         28 |         89        0.89       95.86
         29 |         86        0.86       96.72
         30 |         73        0.73       97.45
         31 |         42        0.42       97.87
         32 |         38        0.38       98.25
         33 |         36        0.36       98.61
         34 |         30        0.30       98.91
         35 |         12        0.12       99.03
         36 |         13        0.13       99.16
         37 |         15        0.15       99.31
         38 |         14        0.14       99.45
         39 |         10        0.10       99.55
         40 |          9        0.09       99.64
         41 |          7        0.07       99.71
         42 |          2        0.02       99.73
         43 |          6        0.06       99.79
         44 |          5        0.05       99.84
         45 |          4        0.04       99.88
         46 |          1        0.01       99.89
         47 |          4        0.04       99.93
         48 |          2        0.02       99.95
         49 |          1        0.01       99.96
         51 |          1        0.01       99.97
         57 |          2        0.02       99.99
         62 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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