Frequencies for first 10,000 rows of prov5250 variable in pos2004 dataset :

   srv: oth |
activities- |
     onsite |
     nonres |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,489       74.89       74.89
          N |      2,483       24.83       99.72
          Y |         28        0.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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