Frequencies for first 10,000 rows of prov3295 variable in pos2010 dataset :

  SRV: PHYS |
EXTENDER-ON |
   SITE-NON |
        RES |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,641       76.41       76.41
          N |      2,344       23.44       99.85
          Y |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017