Frequencies for econdp_8 variable in linkco1995us_unl dataset : Part/line | number on | certificate | 8 | Freq. Percent Cum. ------------+----------------------------------- 6 | 3 0.42 0.42 . | 705 99.58 100.00 ------------+----------------------------------- Total | 708 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015