The diagram illustrates the quantity of students attending three different course between 2001 and 2004.
Overall, it is evident that there was and upward trend in the number of students who attended course C while course A and course B witnessed an dramatical volatility.
Starting at the highest point, course A welcomed the highest amount of students at 4,3 millions in 2001 before sinking to 2,6 millions in 2002. From 2002 to 2004, this figure increased sharply at 4,6 millions. For the first two years of period, course B experienced a significant growth from 2,4 millions to 4,5 millions and then this sum dropped to 1,9 millions in 2003. Until 2004, the number of students enrolling course B went up gradually to 2,9 millions.
Between 2001 and 2002, the number of people studying course A remained constantly, standing at 2 millions until witnessing notable development to 3 millions in 2003. In the end of the period, this statistic peaking at 5 millions.