Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez 2006;-16.0;-17.4;-22.2;-26.9;-31.0;-28.6;-33.8;-34.9;-33.1;-20.0;-21.5; 2007;-16.4;-19.6;-24.0;-29.4;-24.9;-27.9;-38.4;-31.2;-24.9;-30.0;-23.2;-15.1 2008;-15.0;-19.2;-24.1;-26.5;-26.3;-29.2;-28.5;-32.9;-21.8;-23.7;-20.9;-17.5 2009;-15.9;-19.8;-21.5;-29.5;-24.8;-35.0;-37.4;-26.7;-27.0;-27.2;-22.9;-15.9 2010;-14.5;-16.9;-30.1;-29.9;-30.1;-24.9;-30.2;-28.3;-24.5;-22.8;-20.2;-16.8 2011;-16.7;-17.6;-21.0;-30.7;-25.9;;;;-33.2;-26.3;-21.3;-15.3 2012;;-21.6;-20.3;-24.1;-25.9;;;;-30.7;-28.6;-22.2;-16.4 2013;-17.8;-17.7;-18.3;-24.4;-30.9;-32.4;-32.6;;-31.5;-26.2;-23.1;-17.9 2014;-16.8;-22.4;-26.6;-24.1;-22.6;-25.9;-31.7;-31.5;-26.2;-27.5;-23.1;-18.7