Frequencies for first 10,000 rows of prov3510 variable in pos1995 dataset :

       srv: |
xray-offsit |
e-residents |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,523       75.23       75.23
          N |      1,845       18.45       93.68
          Y |        632        6.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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