Frequencies for first 10,000 rows of dntl_srvc_cd variable in pos2002 dataset : srv: dental | Freq. Percent Cum. ------------+----------------------------------- | 8,812 88.12 88.12 0 | 888 8.88 97.00 1 | 127 1.27 98.27 2 | 160 1.60 99.87 3 | 13 0.13 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017