(B&W) PROTECTED BY MINNESOTA TOBACCO LITIGATION PROTECTIVE ORDER comments on Table 3 (Occasional cigarette Smokers) The prevalence of occasional cigarette smoking has remained essentially unchanged over the past seven years, about three per cent of persons smoking cigarettes once in a while. .-,The proportion of occasional cigarette smokers is greatest four to five per cent - in the experimenting ages 15 to 19 and 20 24 and least among women 65 and over - about two per cent. The small percentage of occasional cigarette smokers is a ..strong indication of the habit forming or addicting properties of cigarette smoking. People generally smoke regularly or not at all.