The pie charts illustrate the percentage of students studying different types of courses during the year of 1984, 1994 and 2004.
Overall, the proportion of face-to-face courses taken by students in 1984 was the highest, but the proportion of online courses taken by students in 1994 and 2004 was the smallest. Beside that, the proportion of correspondence courses taken by students remained unchanged, remaining the same between 1994 and 2004.
In 1984, face-to-face courses accounted for the majority of enrolments at 67%. Correspondence courses made up 20%, followed by mixed media at 13%. Online learning had a negligible during this period.
By 1994, the proportion of students choosing face-to-face courses had fallen to 54%. While, mixed media courses grew slightly to 15%, and online courses rose to 11%, marking their first significant presence. However, correspondence courses stayed stable at 20%.
In 2004, this remained similar to that of 1994. Face-to-face classes still account for 54% of total enrolments, and online courses remained unchanged at 11%. Mixed media courses stayed constant at 15%. Correspondence courses held a stable 20% share of student enrollment each year
