Band 9: The bar chart shows the number of non-medical staff in a particular clinic between 2000 and 2015. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The given chart compares the number of non-medical employees across five different departments in a particular healthcare facility from 2000 to 2015.

Overall, the figures for Maintenance and Catering experienced a downward trend, while the opposite was true for the remaining categories. Additionally, Maintenance dominated the first decade, then was taken over by Administration at the end of the period.

Regarding the categories that started the highest, the data for Maintenance employees was documented at about 46 in 2000, which was higher than that for Catering by roughly 10 people. Throughout this period, Maintenance experienced a slight decrease of approximately 4 people in 2005; despite a brief recovery to around 44 staff, it had receded to about 35 people in 2015. A comparable pattern can be seen in the figure for Catering, which plunged to around 29 members by the end.

Concerning the remaining departments, Administration commenced at approximately 25 members in 2000, which then considerably surged to 43 people in 2015. Likewise, Cleaning experienced a substantial increase from nearly 22 people in 2000 to around 40 employees in 2015. Finally, the figure for Security plateaued at about 28 people for the first five years, after which it slightly fell by about 1 person in 2015.