This bar graph depicts variations in guitar, piano, drum, and violin, in three years, from 2005 to 2015. As reflected by the y-axis the proportion of instruments is measured from zero to thirty.
At first glance, it becomes clear that guitar grew from one time-interval to the next, violin and drum remained relatively stable. Overall, the percentage of musical instruments were lowest in 2005 and highest in 2015.
In more detail, the figure for guitar had about 11 in the first year, and the trend increased significantly over the period, in 2010 at 20 percent and in 2015 at nearly 27 percent. Similarly, the piano were similar with guitar. In 2005, the piano’s figure accounted for 10 percent, and this rate grew noticeable the next years at 17% and in 2015 at 25%.
Furthermore, over a ten-year period, the drum and the violin experienced approximately similar with little increases and decreases. In 2005 and 2010, the drum represented 6% and the violin at 8%. However, in 2015, the figure for violin decreased slightly at 7% and the drum’s rate made up about 8%.
