1) Use the graph below to answer the questions that follows 1600- Number of 100- smokers 1200- (thousands) 1000- 800- 600- Кеу Nale Female 400- 200 0- 1970 1980 1990 2000 2010 Figure 2. Number of male and female smokers, 1970-2010 1000 800 600 Numberor person (in thousands) 200 DMala D Female 200 0 1970 1980 1990 3000 2010 Figure 3. Incidence of lung cancer. 1970-2010 (i) In which year was the total number of smokers the HIGHEST? [1 mark]
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