Frequencies for first 10,000 rows of prov3400 variable in pos1995 dataset :

srv: social |
work-onsite |
 -non resid |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,523       75.23       75.23
          N |      2,423       24.23       99.46
          Y |         54        0.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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