Frequencies for first 10,000 rows of therpr12 variable in namcs1998 dataset :

      other |
  ther/prev |
 service #1 |
    - 2 dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,223       92.23       92.23
         14 |          1        0.01       92.24
         21 |          1        0.01       92.25
         22 |          1        0.01       92.26
         33 |          1        0.01       92.27
         36 |          1        0.01       92.28
         38 |          6        0.06       92.34
         40 |          1        0.01       92.35
         45 |          3        0.03       92.38
         48 |          2        0.02       92.40
         51 |          1        0.01       92.41
         53 |          2        0.02       92.43
         57 |          1        0.01       92.44
         64 |          1        0.01       92.45
         68 |          1        0.01       92.46
         71 |          1        0.01       92.47
         75 |          1        0.01       92.48
         81 |          1        0.01       92.49
         85 |          5        0.05       92.54
         86 |          6        0.06       92.60
         89 |         20        0.20       92.80
         93 |         44        0.44       93.24
         94 |        654        6.54       99.78
         95 |          4        0.04       99.82
         96 |         10        0.10       99.92
         97 |          2        0.02       99.94
         99 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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