Frequencies for first 10,000 rows of clmn_num variable in hosp_nmrc2552_96_2002 clmn_num | Freq. Percent Cum. ------------+----------------------------------- 0100 | 3,170 31.70 31.70 0200 | 4,241 42.41 74.11 0600 | 2,589 25.89 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Sep 2018