Frequencies for first 10,000 rows of prov3510 variable in pos1992 dataset :

       srv: |
xray-offsit |
e-residents |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,366       73.66       73.66
          N |      2,042       20.42       94.08
          Y |        592        5.92      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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