Frequencies for first 10,000 rows of prov3355 variable in pos1999 dataset :

 srv: occup |
ther-onsite |
 -non resid |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,387       73.87       73.87
          N |      2,489       24.89       98.76
          Y |        124        1.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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