The bar chart compares information about the percentage of type of magazines traded by a company throughout forty years (1975-2015). Overall, the proportion of sport magazines sale experienced an increase, while that of the types of fashion and health magazines decreased. Others types of magazines sale remained unchanged over the period in question.
In 1975, the percentage of sold of sport magazines was approximately 32%. Meanwhile, the proportion of sold fashion magazines was about 22%. Over the whole period, the proportion of sport increased by 10%, droped from 35% to 45%. While, proportion of fashion decreased to 5%.
At the beginning of the period, the proportion of food magazine sales was 10%, while that of other magazines was 26%. Over the first 20 years, both categories saw an increase, but by the end of the period, their proportions returned to their initial levels. In 1975, the proportion of heath sold was 26%, its figure decreased to 20%, in the following twenty years. This percentage remained unchanged by the en of the period