Frequencies for first 10,000 rows of prov3400 variable in pos1999 dataset :

srv: social |
work-onsite |
 -non resid |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,387       73.87       73.87
          N |      2,549       25.49       99.36
          Y |         64        0.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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