translate English to French: c) Strong increase in external expertise assistance for Members Expertise bought in (€ thousands) 9 370 9 000 7 000 5 000 3 000 2005 2006 2007 3 380 6 944
c) Expertise externe pour l'assistance des Membres en forte hausse Acquisition d'expertise (€ milliers) 9.370 9.000 7.500 6.000 4.500 3.000 1.500 0 6.944 3.380