Frequencies for first 10,000 rows of otermm20 variable in natl1988 dataset :

  Number of |
      Other |
Termination |
 s After 20 |
      Weeks |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,838       98.38       98.38
          1 |        132        1.32       99.70
          2 |         17        0.17       99.87
          3 |          3        0.03       99.90
          4 |          1        0.01       99.91
         99 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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