Frequencies for first 10,000 rows of prov5935 variable in posclia2006 dataset :

    current |
 laboratory |
classsifica |
       tion |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,986       99.86       99.86
         05 |          1        0.01       99.87
         10 |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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