Frequencies for first 10,000 rows of clia_lab_classification_cd_2 variable in posclia2016 dataset :

CLIA_LAB_CL |
ASSIFICATIO |
     N_CD_2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,127       81.27       81.27
          5 |         54        0.54       81.81
          . |      1,819       18.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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