Frequencies for first 10,000 rows of noterm variable in natl1991 dataset :

  Number of |
      Other |
Termination |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,035       80.35       80.35
          1 |      1,506       15.06       95.41
          2 |        342        3.42       98.83
          3 |         80        0.80       99.63
          4 |         24        0.24       99.87
          5 |          5        0.05       99.92
          6 |          3        0.03       99.95
          8 |          1        0.01       99.96
          9 |          1        0.01       99.97
         99 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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