Frequencies for first 10,000 rows of noterm variable in natl1998 dataset :

  Number of |
      Other |
Termination |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,862       78.62       78.62
          1 |      1,552       15.52       94.14
          2 |        407        4.07       98.21
          3 |        125        1.25       99.46
          4 |         28        0.28       99.74
          5 |         18        0.18       99.92
          6 |          4        0.04       99.96
          7 |          2        0.02       99.98
         12 |          1        0.01       99.99
         99 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015