Brand	"Tar (mg), x"	"Nicotine (mg), y"
Barclay 100	5	0.4
Benson and Hedges King	16	1.1
Camel Regular	24	1.7
Chesterfield King	24	1.4
Doral	8	0.5
Kent Golden Lights	9	0.8
Kool Menthol	9	0.8
Lucky Strike	24	1.5
Marlboro Gold	15	1.2
Newport Menthol	18	1.3
Salem Menthol	17	1.3
Virginia Slims Ultra Light	5	0.5
Winston Light	10	0.8