Frequencies for first 10,000 rows of clia_lab_classification_cd_10 variable in 

   CLIA Lab |
Classificat |
  ion CD 10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,470       14.70       14.70
          . |      8,530       85.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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