Frequencies for first 10,000 rows of oterml20 variable in natl1978 dataset :

  Number of |
      Other |
Termination |
s Before 20 |
      Weeks |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,699       86.99       86.99
          1 |      1,059       10.59       97.58
          2 |        177        1.77       99.35
          3 |         46        0.46       99.81
          4 |          9        0.09       99.90
          5 |          2        0.02       99.92
          6 |          2        0.02       99.94
          7 |          2        0.02       99.96
          8 |          1        0.01       99.97
         99 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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