Frequencies for first 10,000 rows of prov3455 variable in pos1996 dataset :

srv: mental |
health-onsi |
   te-resid |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,254       72.54       72.54
          N |      1,131       11.31       83.85
          Y |      1,615       16.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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