Frequencies for first 10,000 rows of prov3510 variable in pos2002 dataset :

       srv: |
xray-offsit |
e-residents |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,326       73.26       73.26
          N |      2,031       20.31       93.57
          Y |        643        6.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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