Graph which describes the proportion of 'never smokers' among year 10 students
https://oag.parliament.nz/2011/dhb-soi-preparation/3-examples-of-better-practice/gfx/impact-measures.gif/view
https://oag.parliament.nz/2011/dhb-soi-preparation/3-examples-of-better-practice/gfx/impact-measures.gif/@@download/image/impact-measures.gif
Graph which describes the proportion of 'never smokers' among year 10 students
