Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez 2001;;;;;;;;34.7;;;40.6; 2002;;41.5;;43.6;;42.0;40.8;38.3;38.0;38.5;39.5; 2003;39.4;41.0;;44.8;;41.1;34.5;34.4;;38.0;38.6;39.2 2004;37.0;41.5;42.0;43.0;43.7;;;;36.5;;;39.1 2005;37.2;40.4;42.7;44.3;41.8;40.2;35.5;34.0;35.0;38.4;39.0;39.0 2006;;39.4;42.5;43.5;43.8;40.3;36.9;;35.4;39.5;39.8;38.0 2007;40.0;41.1;42.5;44.6;43.6;44.5;36.7;34.0;36.0;38.9;39.2;39.6 2008;36.3;41.0;43.6;43.5;46.2;43.0;36.0;34.6;34.8;37.0;39.6;40.0 2009;38.3;41.0;42.2;44.2;43.5;43.5;36.7;34.0;36.4;39.5;38.6;39.6 2010;39.8;43.8;44.0;;44.6;42.0;35.6;34.5;36.8;38.0;41.3;40.0 2011;40.0;41.3;43.2;;43.7;43.0;38.5;35.8;35.6;42.4;40.4;38.5 2012;40.0;40.8;40.3;43.5;43.5;42.2;35.5;34.0;38.4;39.0;40.4;38.0 2013;38.5;41.5;44.6;44.5;43.0;40.5;36.0;33.7;36.8;38.2;40.7;39.5 2014;39.8;39.7;41.8;43.7;45.0;45.0;39.0;34.6;35.5;39.5;41.0;39.0 2015;36.6;41.2;41.5;45.0;43.8;42.6;38.5;34.1;35.8;37.4;39.5;37.0 2016;40.0;41.8;42.4;44.5;44.6;42.5;38.4;35.0;34.9;40.3;39.7;40.5 2017;38.6;41.4;44.4;43.8;46.3;42.6;40.0;36.0;42.6;42.0;40.0;38.7