Frequencies for first 10,000 rows of prov3465 variable in pos1999 dataset :

srv: mental |
health-offs |
    ite-res |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,387       73.87       73.87
          N |      2,089       20.89       94.76
          Y |        524        5.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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