Frequencies for first 10,000 rows of prov3510 variable in pos2004 dataset :

       srv: |
xray-offsit |
e-residents |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,489       74.89       74.89
          N |      1,901       19.01       93.90
          Y |        610        6.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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