Students must be graded. In your opinion, what type of assessment is the best?

This bar chart illustrates the number of people who are visiting the national gallery, Victoria and albert museum and British museum for 5 years, starting from 2007 until 2012. You can clearly indicate that amount of visitors to the national gallery has been increased continuously over the years. Although they were not performing well in 2007. British museums were receiving less individuals in 2008, therefor, percentage of interested people dropped significantly, however, it starts to increase again. It can be figure out the in 2009 and 2010 there was a factor that affects the people's behavior and decrease the ratio for all destinations. To mention the most visited place, in 2007 was, Victoria and albert museum. In 2012 was the national gallery, between that it fluctuates among the 3 destinations. Although, the ratio fluctuate generally, Victoria and albert museum were performing very well in 2008 unlike the national gallery and British museum.