Source: U.S. Department of Treasury Bureau of Alcohol Tobacco and Firearms Data in Maple format ===================================================== U.S. cigarette consumption per capita over age 18 1945-1994 Year:=[seq(k,k=1945..1994)]; PerCap:=[3449,3446,3416,3505,3480,3522,3744,3886,3778,\ 3546,3597,3650,3755,3953,4073,4171,4266,4265,\ 4345,4195,4259,4287,4280,4186,3993,3985,4037,\ 4043,4148,4141,4123,4092,4051,3967,3861,3849,\ 3836,3739,3488,3446,3370,3274,3197,3096,2926,\ 2826,2720,2641,2538,2514]; ===================================================== U.S. cigarette production 1956-1994 in billions YearP:=[seq(k,k=1956..1994)]; Production:=[424.2,442.4,470.1,489.9,506.9,528.3,535.5,550.6,539.9,\ 556.8,567.3,576.2,579.5,557.6,583.2,576.4,599.1,644.2,\ 635.0,651.2,693.4,665.9,695.9,704.4,714.1,736.5,694.2,\ 667.0,668.8,665.3,658.3,689.4,694.4,677.2,710.3,694.5,\ 718.5,661.0,725.6]; =====================================================