Frequencies for first 10,000 rows of prov4190 variable in posclia2008 dataset :

 non-profit |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |      9,862       98.62       98.62
          Y |        138        1.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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