Frequencies for first 10,000 rows of me_rout variable in natlterr2015 dataset : Final Route | & Method of | Delivery 1 | Spontaneous | Freq. Percent Cum. ------------+----------------------------------- | 1,078 10.78 10.78 1 | 5,334 53.34 64.12 2 | 52 0.52 64.64 3 | 129 1.29 65.93 4 | 3,281 32.81 98.74 9 | 126 1.26 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Oct 2016