Frequencies for first 10,000 rows of otermm20 variable in natl1983 dataset :

  Number of |
      Other |
Termination |
 s After 20 |
      Weeks |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,787       97.87       97.87
          1 |        192        1.92       99.79
          2 |         17        0.17       99.96
          3 |          2        0.02       99.98
         99 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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