Frequencies for first 10,000 rows of prov3400 variable in pos1992 dataset :

srv: social |
work-onsite |
 -non resid |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,366       73.66       73.66
          N |      2,569       25.69       99.35
          Y |         65        0.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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