Frequencies for first 10,000 rows of hlt_d_cskin variable in mcbsatc2013 datase Had skin | cancer | since last | year | Freq. Percent Cum. ------------+----------------------------------- -8 | 35 0.35 0.35 -7 | 4 0.04 0.39 1 | 619 6.19 6.58 2 | 9,342 93.42 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 24 May 2016