Frequencies for first 10,000 rows of prov3300 variable in pos2007 dataset :

  srv: phys |
extender-of |
fsite-resid |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,523       75.23       75.23
          N |      2,340       23.40       98.63
          Y |        137        1.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017