When several assessment have been made throughout the per year, the average was utilized to help make the rates more robust
For decades having diminished information on each and every day tobacco cigarette consumption, analysis based on interpolation was indeed added. To decrease the end result out-of haphazard movement regarding issue, each other proportion out-of smokers and you will everyday consumption have been expressed by the swinging averages more than about three-12 months episodes.
Gender-specific use
Details about men and women aged fifteen – 74 age and surviving in Norway try recovered from willen top dating Statistics Norway for each year during the time 1927 – 2007. (more…)