The charts illustrate the proportion of students enrolled in four different courses during a 20-year period, from 1984 to 2004.
Overall, it is evident that online and mixed media courses witnessed an upward trend, while the figure for face-to-face courses declined slightly. Noticeably, correspondence courses consistently showed no further changes throughout the timeframe.
As for the face-to-face courses, they were the most popular option, constituting 67%, more than two-thirds of the participation rate in 1984. This figure then fell considerably to 54% in 1994, and remained unchanged at this level in 2004. Conversely, online courses recorded no figure in the initial year, after which they increased significantly to 11% in 1994 , and then remained unchanged by 2004.
Looking at the remaining courses, 13% of the students followed mixed media in 1984, before stabilizing at 15% in the next decade. Correspondence courses accounted for 20% from start to end, representing one-fifth of the total.
