Frequencies for first 10,000 rows of a9 variable in miacc dataset :

         a9 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,803       48.03       48.03
          1 |         47        0.47       48.50
          2 |         84        0.84       49.34
          3 |         92        0.92       50.26
          4 |         88        0.88       51.14
          5 |         89        0.89       52.03
          6 |         99        0.99       53.02
          7 |        131        1.31       54.33
          8 |        145        1.45       55.78
          9 |        165        1.65       57.43
         10 |        197        1.97       59.40
         11 |        190        1.90       61.30
         12 |        196        1.96       63.26
         13 |        230        2.30       65.56
         14 |        256        2.56       68.12
         15 |        241        2.41       70.53
         16 |        254        2.54       73.07
         17 |        228        2.28       75.35
         18 |        224        2.24       77.59
         19 |        214        2.14       79.73
         20 |        260        2.60       82.33
         21 |        238        2.38       84.71
         22 |        222        2.22       86.93
         23 |        194        1.94       88.87
         24 |        166        1.66       90.53
         25 |        158        1.58       92.11
         26 |        136        1.36       93.47
         27 |        113        1.13       94.60
         28 |         99        0.99       95.59
         29 |         84        0.84       96.43
         30 |         57        0.57       97.00
         31 |         37        0.37       97.37
         32 |         54        0.54       97.91
         33 |         37        0.37       98.28
         34 |         36        0.36       98.64
         35 |         19        0.19       98.83
         36 |         24        0.24       99.07
         37 |         15        0.15       99.22
         38 |         14        0.14       99.36
         39 |         16        0.16       99.52
         40 |         10        0.10       99.62
         41 |          9        0.09       99.71
         42 |          3        0.03       99.74
         43 |          5        0.05       99.79
         44 |          3        0.03       99.82
         45 |          7        0.07       99.89
         47 |          2        0.02       99.91
         48 |          1        0.01       99.92
         49 |          3        0.03       99.95
         50 |          1        0.01       99.96
         56 |          1        0.01       99.97
         59 |          1        0.01       99.98
         74 |          1        0.01       99.99
         80 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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