['Lights', 'Importance', 'Lights', 'of', 'increasing', 'importance', 'to', 'Marlboro', 'franchise', '1977', '=', '11%', 'of', 'Marlboro', '1981', '=', '2™', 'of', 'Marlboro', 'Lights', '.increasing', 'share', 'rapidly,', 'while', 'Parent', 'losing', 'slowly', 'Share', 'of', 'Smokers', '1917', '1981', 'Lights', '1.3', '4.5', 'Parent', '13.6', '12.8', '£92e12.L£202']