Frequencies for first 10,000 rows of otermm20 variable in natl1981 dataset :

  Number of |
      Other |
Termination |
 s After 20 |
      Weeks |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,751       97.51       97.51
          1 |        217        2.17       99.68
          2 |         18        0.18       99.86
          3 |          7        0.07       99.93
          4 |          2        0.02       99.95
         99 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016