Band 9: The pie charts below show the different types of courses, which were followed by the students during the years of 1984, 1994 and 2004. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The charts illustrate the proportion of students enrolled in four types of courses (face-to-face, correspondence, mixed media, and online) in the years 1984, 1994, and 2004.

Overall, it is clear that face-to-face courses always held the dominant position, even though their popularity declined over the years. In contrast, online courses were the least attended. Meanwhile, mixed media courses experienced a significant increase.

In 1984, face-to-face courses dominated with 67%, and they were a popular option for most people. Correspondence courses were preferred by 20% of students, while mixed media courses were chosen by the fewest people. However, online courses were not available at this time.

In 1994, online courses were introduced to students; therefore, face-to-face courses dropped slightly, to 54%; however, they were still the most popular option. Furthermore, mixed media courses had increased slightly to 15%, while correspondence courses had not changed.

In 2004, face-to-face courses dropped significantly, even though they were still dominant. While online and correspondence courses decreased to 10% and 15%, respectively, mixed media courses had substantial growth, reaching 35%.