Frequencies for first 10,000 rows of noterm variable in natl1990 dataset :

  Number of |
      Other |
Termination |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,981       79.81       79.81
          1 |      1,514       15.14       94.95
          2 |        330        3.30       98.25
          3 |         85        0.85       99.10
          4 |         26        0.26       99.36
          5 |         10        0.10       99.46
          6 |          1        0.01       99.47
          7 |          2        0.02       99.49
          8 |          1        0.01       99.50
          9 |          1        0.01       99.51
         19 |          1        0.01       99.52
         99 |         48        0.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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