Frequencies for first 10,000 rows of prov4880 variable in posclia2006 dataset :

 shared lab |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,855       98.55       98.55
          Y |        145        1.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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