Quitting smoking is not easy, but thousands of New Yorkers succeed at it every year. Who’s trying to kick the habit, and who’s succeeding" In a new report titled Who’s Still Smoking, the Health Department sheds light on both questions. The report, based on a large survey of New York City adults, shows that two thirds of the city’s smokers – almost 800,000 adults – tried to quit in the past year, but only 17% of those succeeded.