Frequencies for first 10,000 rows of clia_lab_classification_cd_9 variable in posclia2018 dataset :

CLIA_LAB_CL |
ASSIFICATIO |
     N_CD_9 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,117       21.17       21.17
          5 |          4        0.04       21.21
          . |      7,879       78.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019