Band 5+: The line graph below shows the number of students enrolled in four different faculties at a university over a six-year period from 2015 to 2020 Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The graph illusrates how many students attended four various courses offered by a university between 2017 and 2020.

Overall, the figures for humanities, and business experienced an upward trend, while for engineering classes there was a minor growth in number. Only in science courses the quantity of participants declined over the 3-years period.

In terms of engineering, the total number of students signed up for these subject rised steadily. In 2017 it accounted for nearly 750 enrolles, following by 2016, when the quantity was around 1100, then in 2020 it peaked at 1500.

Regarding business, there was a sharp fluctuation for this section. From 2015 to 2016 the number of undergraduates accepted to this class reamined almoust similar, with a minor rise from 450 to 500. Then in 2017 it increased to 900. In the year 2018 the data suddenly plummet and made up 550. From 2018 onwards, the line dramatically rocketed and reached nearly 1700, after all it became 1800 in 2020. Compared to other sections, science courses showed a downward trend. In 2017 the figure hited its peak point at 1750, then from this year onwards, it gradually fell and bottomed out at about 1200 in 2020.