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 describing the main features of the charts and making comparisons where appropriate

The provided pie charts illustrate the percentage of students choosing different sorts of courses in the years 1984, 1994 and 2004. Overall, it is obvious from the graph that while face-to-face and online courses witnessed an upswing, the opposite was true for the remaining categories. Additionally, studying in person with lecturers maintained its predominant popularity […]