Refer to the pie charts below and answer the questions based
There are seven types of employees in an organization doing seven different jobs. Following pie charts show the percentage of these employees in the organization across two years—2002 and 2003.
It is also given that the total number of B type employees in 2002 and 2003 were 1560 and 2250 respectively.
For how many types of employees, there is an absolute decrease in the number of employees in 2003 over 2002?