Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez
1999;31.7;34.2;37.2;44.2;46.0;46.8;;;42.7;42.0;39.2;
2000;36.0;;;43.8;41.5;;38.4;41.2;41.8;42.4;40.0;36.0
2001;34.8;37.4;42.2;47.5;41.5;45.1;45.0;45.1;41.0;42.0;38.9;
2002;33.3;38.4;;;42.1;44.8;42.5;40.3;43.8;42.4;38.0;37.3
2003;31.5;35.0;;46.0;46.5;41.0;37.2;42.0;;43.0;39.5;35.8
2004;32.5;37.0;41.7;41.0;;;;44.2;43.6;44.4;;33.2
2005;32.4;30.5;43.0;45.0;46.5;41.5;45.4;37.9;43.4;;40.2;36.7
2006;30.8;34.6;43.2;44.5;42.8;47.0;47.5;43.5;;42.5;42.0;35.5
2007;33.8;37.4;39.0;40.3;;45.3;34.0;41.0;43.0;44.5;41.0;35.4
2008;32.7;39.2;44.0;44.0;;45.5;42.3;37.0;42.8;42.9;38.2;36.3
2009;36.3;37.0;34.5;43.0;43.0;43.2;41.3;37.5;41.0;44.2;38.0;37.0
2010;37.5;41.0;43.2;40.6;42.3;46.3;44.7;36.4;40.5;43.6;38.6;
2011;33.9;38.5;41.6;43.6;45.6;43.2;39.5;39.0;43.0;42.9;41.0;36.6
2012;37.5;35.7;40.0;39.4;46.3;47.0;;38.2;43.3;44.0;41.0;36.0
2013;34.0;40.0;40.7;42.4;45.7;46.3;43.5;38.5;42.5;43.2;38.9;37.4
2014;35.0;33.8;37.4;43.4;42.5;45.0;45.0;36.8;45.3;43.0;38.0;35.5
2015;33.1;36.6;38.7;44.2;46.5;45.6;46.6;35.8;39.6;44.0;41.6;35.0
2016;39.0;38.5;37.0;43.2;35.6;45.5;40.4;41.7;45.3;43.4;41.5;39.5
2017;;35.5;45.0;43.3;46.5;41.5;;36.5;43.0;41.7;41.0;36.5
2018;;33.0;;39.0;;44.5;;39.1;46.1;43.0;40.2;37.0