The bar chart given information about percentage of variety magazines in terms of their types by a company in three different periods 1975,1995 and 2015.
Overall,there was a higher trend in sport magazine dealinh proportion while the reverse was seen in the sold publication of fashion. However the sale percentage of others fluctuates over 20 years period.
Examininh the data for favored announcement, sports journal dominated the market with 32% of sales a number that grew by 10% 2015,maintaining their dominance. Other periodical types experienced fluctuations. Miscellaneous magazines had subordinate selling, accounting for 26% of the total, but temporarily increased to 32% in 1995 before reverting back. Food related supplement followed a similar pattern, albeit at lower levels, starting at 10% of sales peaking at 22% and returning to their baseline in the subsquent period.
The alternative remaining category proclamation style and health experienced varying trends. The former had around 22% share of the market in 1975,bit reduced markedly to 16% in 1995 in the percentage of dealing, ending the period 5%.The quantity for health, related broadcasting was higher, at 26%,nevertheles then fell to 20% and held steady.