 A report commissioned in 2012 revealed that 34.9% of men smoked daily, compared to 14.5% of women, and in the preceding 12 months, 37.8% of regular smokers had attempted to quit at least once.Despite a general decline in smoking prevalence, the rate among women nearly doubled from 1991–2011, with 55% of women smokers belonging to the 15–34 age group.The first research of smoking habits in Sweden was performed in 1946; it showed that 50% of men, and 9% of women were smokers.