Frequencies for first 10,000 rows of prov3515 variable in pos2004 dataset :

 srv: blood |
admin-onsit |
e-residents |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,489       74.89       74.89
          N |      2,208       22.08       96.97
          Y |        303        3.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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