The given bar chart illustrates the percentages of five kinds of magazines sold by a company in the UK over an eight-year period, from 2001 to 2009.
Overall, there was an upward trend in the data of movies and economics magazines, while social was the only one which experienced a steady decline. Also, figures for sports and music fluctuated slightly throughout the period.
Looking into details, in 2001, social magazines dominated the market at 40%, while economics and sports magazines accounted for 25% and 20% respectively. Music (10%) and cinema-themed (5%) magazines were least sold.
Over the next years, there was a dramatic shift in the sales percentages of economics, reaching 35% by 2009. Similarly, the movie genre experienced a steady rise, going up from only 5% in 2005 to 30% by the end of the period.
In contrast, figures for social magazines plummeted to just 5% in 2009. The sports catalogue was less consistent, peaking at 25% in 2005 and ending at 20% in the last year. Music magazines recovered to maintain their initial share of the market (10%) in 2009, after a brief decline to 5% in 2005.