Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez
2004;;;;;;;;;;41.0;34.4;31.3
2005;28.2;;38.8;40.5;44.8;48.9;46.1;48.0;43.9;41.3;36.6;32.9
2006;28.5;33.1;35.1;40.0;46.4;47.2;47.5;45.1;43.1;41.1;37.0;30.0
2007;30.0;34.2;36.1;42.1;44.3;;47.0;44.3;45.9;39.6;36.3;30.9
2008;28.5;34.6;38.2;41.1;44.5;48.5;48.0;45.5;43.9;;35.9;30.1
2009;29.2;35.1;36.7;40.7;49.5;;;47.4;44.6;41.7;36.2;29.5
2010;;34.6;38.9;42.5;;46.9;49.2;45.6;45.1;42.4;33.8;31.8
2011;30.3;33.3;37.8;39.3;47.4;48.5;;47.2;44.9;41.1;33.9;31.0
2013;;;36.7;43.1;44.0;47.2;47.6;44.0;43.3;42.2;35.2;31.7
2014;29.0;32.0;35.5;42.3;46.4;49.0;48.7;48.6;44.0;40.4;36.6;30.8
2015;31.0;35.4;38.1;43.3;47.0;48.0;48.0;48.0;45.4;43.4;36.2;32.5
2016;31.9;36.5;36.0;40.9;46.5;46.8;47.6;46.5;45.3;;35.3;36.5
2017;33.0;32.5;39.1;42.6;48.4;49.5;48.4;46.9;43.8;42.5;35.0;32.6
2018;32.4;34.8;41.0;42.3;46.5;48.3;48.3;47.6;45.7;41.2;35.2;30.8