Frequencies for first 10,000 rows of oterml20 variable in natl1981 dataset :

  Number of |
      Other |
Termination |
s Before 20 |
      Weeks |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,447       84.47       84.47
          1 |      1,240       12.40       96.87
          2 |        221        2.21       99.08
          3 |         61        0.61       99.69
          4 |         18        0.18       99.87
          5 |          4        0.04       99.91
          7 |          2        0.02       99.93
          8 |          1        0.01       99.94
         11 |          1        0.01       99.95
         99 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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