The bar chart shows the number of visitors to three London Museums between 2007 and 2012.

The bar graph compares the deviations in sales of four different book genres for a decade, from 2002 to 2012. Overall, the sales of three given categories - history, entertainment and art books showed a rising trend except for hobby related books while the demand for history books was the highest.
The bar graph compares the sales of four book genres between 2002 to 2012. Overall, history books vend increased remarkably while the admiration for hobby related books declined over the period.