The given bar chart illustrates how many films are established by five different countries between 2007 and 2009.
Generally speaking, there was an upward trend in the number of films in city C and B whereas the opposite trend was true for city A and D. Additionally, city E remained unchanged and was the least on the chart during three years.
This analysis will first examine cities which witnessed a decreasing trend in films. City A, whose the opening data point was the highest, at 89%, remained steadily in the next year and declined tangibly to 80% at the end. Concurrently, city D was experienced a negligible diminishing from 15% to 12% during a period of three years. Simultaneously, city E had an identical number among three years, at 10%, becoming the least by the end of the period.
Attention will now shift to the remaining cities. City B remained at the same point in the first two years, at 50%, and then rose significantly to 70% by the end of the period. At the same time, city C witnessed a noticeable development in each year from 9% in 2007 to 18% by 2009.