When multiple research were made during per year, the average was used to make the quotes more robust
For decades that have not enough information about every day cig use, data centered on interpolation have been extra. To decrease the result regarding random movement on issue, one another ratio out of cigarette smokers and xpress desktop you may every day application have been indicated from the moving averages over around three-year attacks.
Gender-particular use
Information regarding individuals old 15 – 74 decades and you may residing in Norway are retrieved of Analytics Norway for each seasons at that time 1927 – 2007. This information was utilized so you’re able to assess exactly how many smokers contained in this for each and every gender per twelve months on the entire 80-year several months. Read more →