Frequencies for first 10,000 rows of prov3300 variable in pos1999 dataset :

  srv: phys |
extender-of |
fsite-resid |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,387       73.87       73.87
          N |      2,494       24.94       98.81
          Y |        119        1.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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