Frequencies for first 10,000 rows of prov1260 variable in pos1995 dataset :

technicians |
 - military |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,972       99.72       99.72
          1 |         18        0.18       99.90
          2 |          2        0.02       99.92
          3 |          6        0.06       99.98
          4 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016