Go through the pie charts given below and solve the questions based on it.
There are six types of employees working in an organization. Following is the percentage breakup of different types of employees in a company in two successive years 2007 and 2008. It is also given that the total no. of employees in 2007 and 2008 is 42,980 and 48,640 respectively.
(All the percentage value are rounded off).
Number of which of the following types of employees have increased maximum in 2008 over 2007?