Frequencies for first 10,000 rows of clia_lab_classification_cd_4 variable in posclia2016 dataset :

CLIA_LAB_CL |
ASSIFICATIO |
     N_CD_4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,483       54.83       54.83
          5 |          4        0.04       54.87
          . |      4,513       45.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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