Frequencies for first 10,000 rows of prov3400 variable in pos1993 dataset :

srv: social |
work-onsite |
 -non resid |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,627       76.27       76.27
          N |      2,324       23.24       99.51
          Y |         49        0.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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