The given bar graphs illustrate the allocation of money to different forms of music in Northern Ireland from 2005 to 2011 in 3-yearly intervals.
Overall, while Digital downloads witnessed an upward trend, the opposite was true for CD and Concerts. Additionally, the share for Unnamed sources remained stable through the given period. At the end of the period, Digital downloads replaced CD as the largest allocation of money.
According to the provided statistics, the majority of money was allocated to CD and Concerts in 2005, with 61% and 31%, respectively. However, citizens in Northern Ireland were reported to spend lesser on these two categories in 2008, leading to decreases of 6% in Concerts and 15% in CD. At the end of the period, the fund for CD fell to above a fourth, making this form of music the second-least allocation. At the same time, there is a slight increase of 3% witnessed in Concerts.
Concerning the remaining variables, Digital downloads started at only 6% before rocketing to more than two fifths in 2011. This form attracted the most of the money spent on music in Northern Ireland and replaced CD as the largest proportion in the chart. In terms of Unidentified sources, a stable tendency witnessed as its share stayed unchanged at 2% through the given period.