Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez
1998;;;;;;;;;;;;39.9
1999;40.2;;43.0;44.0;44.6;44.3;40.5;38.3;38.0;40.0;39.5;38.4
2000;38.5;40.8;45.5;44.5;45.0;44.5;41.8;39.6;39.5;;40.0;36.8
2001;36.5;40.5;42.5;45.6;46.2;42.2;42.5;38.0;39.5;41.1;40.0;38.5
2002;36.5;42.8;43.3;45.5;46.5;44.0;43.4;39.5;39.3;40.2;41.0;39.0
2003;39.0;42.2;42.0;46.6;45.6;42.6;40.0;37.5;39.4;41.0;41.0;39.3
2004;39.5;43.0;43.5;45.6;46.5;43.5;40.7;40.5;40.0;41.4;40.5;36.7
2005;37.5;43.0;44.2;45.4;44.2;45.2;41.2;41.2;39.4;41.0;39.5;39.4
2006;39.4;41.6;41.2;45.6;46.2;42.8;40.8;40.2;38.6;41.0;40.4;36.2
2007;36.2;41.5;44.4;45.0;45.2;42.3;37.5;37.2;39.5;41.0;40.8;39.0
2008;38.8;39.6;44.0;44.2;44.6;44.0;43.2;39.0;41.0;41.0;40.0;37.6
2009;38.4;40.8;45.0;45.4;46.0;44.2;42.8;38.4;40.0;42.2;42.6;36.5
2010;41.0;41.3;45.0;46.2;46.2;45.4;41.5;39.2;40.3;41.7;41.2;39.2
2011;36.5;42.2;41.6;45.0;46.2;45.6;;39.6;42.5;;;
2012;36.5;41.0;44.7;45.5;45.3;43.2;38.5;38.0;40.5;41.2;39.5;38.5
2013;40.0;43.0;44.0;43.5;45.5;44.0;42.7;37.0;41.5;41.5;41.2;40.0
2014;40.5;39.0;40.7;44.3;44.2;44.0;41.0;37.2;39.2;40.5;40.5;
2015;41.0;42.5;44.2;;46.2;44.5;43.6;40.6;40.6;42.2;40.5;35.4
2016;35.2;43.0;45.6;44.7;45.0;46.5;41.3;38.5;39.0;41.0;40.6;40.0
2017;39.4;39.0;42.2;45.5;45.0;44.5;41.0;38.5;38.5;40.3;39.2;39.0