Frequencies for first 10,000 rows of mdctn_aide_cntrct_cnt variable in pos2009 dataset : MEDICATION | AIDES/TECHS | -CONTRACT | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,995 99.95 99.95 .11 | 4 0.04 99.99 1.14 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017