The graph shows the admission average for students in arts, science and music from the past 5 decades. The admission averages started low at first then gradually increases as the years goes by except for music, which decreases after the 2000s.
A closer look at the graph on arts, we can see that it stayed at the 70% level and then start increasing after the 2000s to the 80% level at the 2010s. On science, it started at 75% then gradually increases up to 90% at the 2000s then stayed. Whilst for music, it made a double top structure from 60% at the 1970s, then a drastic increase to 90% at the 1980s, then decreases to 75% at the 1990s, then increases again creating a double top at 90% at the 2000s, and lastly it decreases to 65% at 2010s.
Overall, the graph shows that the admission average for students in arts and science will increase over the years whilst for music, it will bounce up and down.