Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez
1998;;;;;;;;;;;;34.8
1999;38.0;;40.8;;46.4;46.4;44.4;46.0;45.5;43.5;38.1;35.2
2000;34.3;36.5;43.2;44.0;46.0;47.0;;47.5;46.0;;37.8;33.3
2001;33.2;36.6;41.6;44.6;;;;47.0;46.0;44.6;38.5;35.6
2002;31.0;39.0;40.0;44.8;46.0;46.1;47.0;45.5;45.3;43.5;41.0;37.3
2003;35.9;40.2;37.6;47.0;47.4;45.7;44.3;44.7;45.5;43.0;38.3;36.6
2004;35.0;38.3;41.0;44.7;48.0;46.6;46.6;46.5;45.5;42.8;39.6;33.0
2005;34.5;40.7;41.0;45.0;45.5;46.8;48.0;47.0;46.6;41.6;35.5;35.7
2006;35.1;34.8;38.5;43.5;44.6;47.5;44.0;46.0;46.0;44.0;38.5;30.4
2007;33.0;39.6;43.5;45.2;46.0;46.6;46.6;46.2;44.0;42.0;39.0;36.0
2008;34.5;35.2;43.5;44.0;46.0;46.3;45.5;47.0;45.5;42.5;38.0;35.5
2009;33.0;35.7;41.0;45.2;46.7;46.7;47.5;46.0;46.0;43.5;39.1;33.2
2010;37.4;39.7;42.4;44.0;46.2;;;46.0;46.0;44.0;38.5;34.5
2011;33.0;37.3;39.7;44.0;45.5;47.3;47.6;45.5;43.0;;;
2012;35.0;39.5;42.0;44.5;46.8;46.5;47.7;45.3;45.5;43.0;40.0;35.0
2013;37.0;40.1;41.2;42.0;47.6;48.0;45.0;44.5;46.3;43.5;39.0;36.5
2014;33.8;36.5;43.4;45.5;47.2;47.5;48.5;46.3;46.0;43.0;39.5;
2015;35.5;40.5;44.5;;46.7;47.5;46.5;49.0;47.0;44.7;39.0;36.5
2016;32.0;38.5;46.0;44.0;48.0;48.2;46.5;47.0;46.0;44.3;40.5;35.0
2017;37.5;35.5;39.5;45.6;46.0;48.0;47.0;46.5;47.0;43.0;38.3;35.5
2018;33.0;41.0;43.0;43.5;46.5;48.0;46.0;46.0;47.0;43.5;;33.0