Frequencies for first 10,000 rows of priordead variable in natlterr2003 dataset : Prior | Births Now | Dead U;R | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,898 98.98 98.98 1 | 92 0.92 99.90 2 | 7 0.07 99.97 6 | 1 0.01 99.98 10 | 1 0.01 99.99 12 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015