Frequencies for first 10,000 rows of clia_lab_classification_cd_3 variable in posclia2016 dataset :

CLIA_LAB_CL |
ASSIFICATIO |
     N_CD_3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,614       66.14       66.14
          5 |         12        0.12       66.26
          . |      3,374       33.74      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017