The provided bar chart illustrates the percentage of various musical instruments that schoolchildren learned to play in 2005, 2010, and 2015.
Overall, it is clear that the guitar was the most popular while the violin and drums were the least preferred instruments at school. Additionally, the guitar and piano showed the upward trend throughout the learning period.
In fact, the guitar was the favored instrument by students. In 2005, the guitar reached around 10% which after 10 years, it increased significantly approximately 40% which was higher than in 2005 by 30%. While the guitar had the highest one that students chose, there were also many pianists with nearly the same percentage students as the guitar. To be more clearly, in 2005, the number of students chose to learn paino was around 11-12% and after one decade, it had increased to 38-39% which had almost the same percentage as the guita.
On the other hand, drum and violin were remained as the lowest of 4 musical lessons. In 2005 and 2010, drum and violin remained stable at around 5% and 9-10%, respectively. However, the ranks reversed in 2015 with drum topping violin by a mere 5% difference.