[42] Personnel expenses/Headcount Audited

Personnel expenses comprise the following:

XLS

€ million

2009

2008

Wages and salaries

1,764.1

1,668.3

Compulsory social security contributions and special financial assistance

266.7

254.2

Pension expenses

98.1

93.0

 

2,128.9

2,015.4

As of December 31, 2009, the companies of the Merck Group had 33,062 employees (2008: 32,800). The average number of employees during the year was 32,850 (2008: 31,971).