Frequencies for first 10,000 rows of prov5935 variable in posclia2010 dataset :

    current |
 laboratory |
classsifica |
       tion |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,980       99.80       99.80
         05 |          1        0.01       99.81
         10 |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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