Frequencies for first 10,000 rows of pct0210091 variable in sf12010880us19 dataset :

   Military |
ships (602) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017