Frequencies for first 10,000 rows of therpr12 variable in nhamcsopd2000 dataset :

      other |
  ther/prev |
 service #1 |
    - 2 dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,086       90.86       90.86
         03 |          3        0.03       90.89
         12 |          1        0.01       90.90
         34 |          1        0.01       90.91
         38 |          6        0.06       90.97
         39 |          2        0.02       90.99
         40 |          1        0.01       91.00
         42 |          1        0.01       91.01
         45 |          5        0.05       91.06
         48 |          2        0.02       91.08
         57 |          1        0.01       91.09
         73 |          1        0.01       91.10
         75 |         16        0.16       91.26
         81 |          1        0.01       91.27
         86 |          4        0.04       91.31
         89 |         58        0.58       91.89
         90 |          4        0.04       91.93
         92 |          1        0.01       91.94
         93 |        243        2.43       94.37
         94 |        493        4.93       99.30
         95 |         20        0.20       99.50
         96 |          5        0.05       99.55
         97 |          8        0.08       99.63
         98 |          1        0.01       99.64
         99 |         36        0.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016