Frequencies for a00100 variable in countymd1989 dataset :

   Adjusted |
      gross |
     income |
      (AGI) |
  1040:37 / |
 1040A:21 / |
   1040EZ:4 |      Freq.     Percent        Cum.
------------+-----------------------------------
    164,570 |          1        4.00        4.00
    219,870 |          1        4.00        8.00
    234,100 |          1        4.00       12.00
    266,440 |          1        4.00       16.00
    311,180 |          1        4.00       20.00
    470,230 |          1        4.00       24.00
    472,890 |          1        4.00       28.00
    519,110 |          1        4.00       32.00
    707,410 |          1        4.00       36.00
    811,900 |          1        4.00       40.00
    874,460 |          1        4.00       44.00
    875,830 |          1        4.00       48.00
    903,590 |          1        4.00       52.00
    1391530 |          1        4.00       56.00
    1458110 |          1        4.00       60.00
    1897570 |          1        4.00       64.00
    2168560 |          1        4.00       68.00
    2639310 |          1        4.00       72.00
    3582570 |          1        4.00       76.00
    6949870 |          1        4.00       80.00
    8269460 |          1        4.00       84.00
   1.06e+07 |          1        4.00       88.00
   1.07e+07 |          1        4.00       92.00
   1.69e+07 |          1        4.00       96.00
   7.34e+07 |          1        4.00      100.00
------------+-----------------------------------
      Total |         25      100.00

by Jean Roth , jroth@nber.org , 23 Jun 2017