Frequencies for first 10,000 rows of sp_jur variable in accident dataset : special | jurisdictio | n | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,885 98.85 98.85 1 | 20 0.20 99.05 3 | 91 0.91 99.96 8 | 2 0.02 99.98 9 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016