The pie charts compares the student enrollments in various courses in the years 1984, 1994 and 2004.
As is shown in the pie charts, the course for face to face was the most popular among all the courses throughout the years, although the percentage had dropped from 67% in 1984, to 54% in 1994 and had dipped further to 40% in 2004. Meanwhile, the percentage of correspondence class had fairly constant at 20% between in the initially 10 years, except a mild fall of 5% in 2004.
On the other hand, a similar pattern can be seen in the mixed media courses. The percentage had started with a small proportion of 13% in 1984, followed by a negligible rise of 2% after a decade and had ended the period with a significant growth of 35%. Although there were no online courses in 1984, 11% of the students was interested in online lessons and the percentafe remained fairly constant in a decade later, becoming the least prevelant courses in 2004.
Overall, there had been a dramatic change in the student enrollments in different courses. Although the face to face course had experienced a noticeably decline, it was the most prevalent courses over the period. Meanwhile, mixed media courses had performed a sizeable increase , making it the second largest proportion among the courses.