European commercial real estate investment slowed down further in the fourth quarter of 2008, with total volumes reaching EUR 19.5 bn, according to research by international property services firm CB Richard Ellis. This represents a 30% decrease on levels of EUR 27-28 bn registered for the second and third quarter of 2008. The total turnover for 2008 is around EUR 116 bn, a level comparable with that registered in 2004.