The pie charts illustrate the proportion of students enrolled in different types of courses in 1984, 1994 and 2004.
Overall, face-to-face learning saw a steady decline over the period, whereas mixed media courses rose significantly and became almost as common as traditional classes by 2004. Online courses appeared in 1994 and maintained a small share, while correspondence programs slightly decrease.
In 1984, the vast majority of students (67%) attended face-to-face classes, making it the dominant mode of study. Correspondence courses accounted for 20%, while mixed media represented only 13%.
By 1994, face-to-face learning dropped to 54% though it remained the largest category. Mixed media courses remained relatively stable at 15% and correspondence courses stayed unchanged at 20%. Notably, online learning appeared comprising 11% of enrollments
According to the 2004 chart, the share of traditional courses continued to fall, reaching 40%, while mixed media courses tripled from its original figure, rising to 35%. Conversely, correspondence programs slipped to 15% and online learning slightly decline to 10%.
