Frequencies for first 10,000 rows of econdp_2 variable in mort2006 dataset : Part/line | number on | certificate | 2 | Freq. Percent Cum. ------------+----------------------------------- 1 | 968 9.68 9.68 2 | 4,329 43.29 52.97 3 | 59 0.59 53.56 4 | 15 0.15 53.71 6 | 1,202 12.02 65.73 . | 3,427 34.27 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015