28 Competitive workforceHR Big 4 and Group strategy Service culture Talent agenda HR@2012 Total workforce costs at Deutsche Telekom fall by 500 million 1. In billion 1. 2010 2011 TWC1 17 16.5 of which: national 10.2 9.9 IWC2 (PC3 adjusted) 8.5 8.3 EWC4 Leased and temporary workers 0.1 0.1 EWC Freelancers and consultants 1.6 1.5 of which: international 6.8 6.6 IWC (PC adjusted) 5.5 5.3 EWC Leased and temporary workers 0.2 0.3 EWC Freelancers and consultants 1.1 1 1 Total workforce costs: external workforce costs + personnel costs adjusted for special factors 2 Internal workforce ratio 3 Personnel costs 4 External workforce costs: cost of leased and temporary workers + cost of freelancers and consultants Personnel costs and personnel cost ratio for the Deutsche Telekom Group worldwide. 2008 to 2011 in billions 1. 2008 2009 2010 2011 Personnel costs in the Group 14.1 14.3 15.1 14.7 of which: Germany 9.8 9.0 9.2 9.2 Special factors* 1.1 0.5 1.0 1.2 Personnel costs in the Group adjusted for special factors 13.0 13.8 14.1 13.6 Net revenue 61.7 64.6 62.4 58.7 of which: Germany 29.7 28.4 28.1 27.2 Adjusted personnel cost ratio, Group (in %) 21.1 21.4 22.5 23.2 Adjusted personnel cost ratio, Germany (in %) 29.9 30.1 30.4 30.6 *Special factors in billions 1, calculated and rounded on the basis of millions for the purpose of precision. Expenses for staff-related measures (early retirement arrangements, severance and voluntary redundancy payments, compensation payments, etc.) primarily in the Germany (-0.6), Europe (-0.1) and T-Mobile USA (-0.1) operating segments, as well as at Group Headquarters & Shared Services (-0.2). 2010: Expenses for staff-related measures (early retirement arrangements, severance and voluntary redundancy payments, compensation payments, etc.) primarily in the Germany (0.4), Europe (0.2) and Systems Solutions (- 0.1) operating segments, as well as at Group Headquarters & Shared Services (- 0.1). 2009: Expenses for staff-related measures (early retirement arrangements, severance and voluntary redundancy payments, compensation payments, etc.) primarily in the Germany (- 0.3) and Systems Solutions (- 0.1) operating segments, as well as at Group Headquarters & Shared Services (- 0.1). 2008: Expenses for staff-related measures (early retirement arrangements, severance and voluntary redundancy payments, compensation payments, etc.) primarily in the Germany (- 0.8) and Systems Solutions (- 0.3) operating segments.