Frequencies for first 10,000 rows of clia_id_number_4 variable in pos2016 dataset : CLIA ID | Number 4 | Freq. Percent Cum. ------------+----------------------------------- . | 10,000 100.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 10 Jan 2017