Frequencies for first 10,000 rows of cause33d variable in namcs2014 dataset : Cause of | injury #3 - | 3 digit | Freq. Percent Cum. ------------+----------------------------------- -9 | 9,974 99.74 99.74 000 | 14 0.14 99.88 001 | 1 0.01 99.89 003 | 1 0.01 99.90 005 | 1 0.01 99.91 007 | 1 0.01 99.92 016 | 1 0.01 99.93 849 | 7 0.07 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017