The bar chart compares the percentage of various types of magazines sold by a company over a period of forty years (1975-2015). Overall, the proportion of sports magazine sales increased, while the percentages of fashion and health magazines decreased. The sales of other types of magazines remained stable throughout the period.
In 1975, sports magazines accounted for about 32% of total sales, while fashion magazines made up around 22%. Over the next four decades, the percentage of sports magazine sales rose by 10%, reaching 45% by 2015. In contrast, the proportion of fashion magazines declined significantly, falling to just 5% by the end of the period.
At the beginning of the period, food magazines made up 10% of sales, while other types of magazines represented 26%. Both categories saw increases in their share over the first 20 years, but by 2015, their proportions returned to their initial levels.
Health magazines, which initially accounted for 26% of sales in 1975, experienced a gradual decrease to 20% over the next two decades. This figure remained stable for the remainder of the period.