Frequencies for first 10,000 rows of drunk_dr variable in accident dataset : DRUNK | DRIVERS | Freq. Percent Cum. ------------+----------------------------------- 0 | 7,171 71.71 71.71 1 | 2,730 27.30 99.01 2 | 98 0.98 99.99 3 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016