Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez
1999;35.4;40.6;43.2;;;43.9;42.2;34.9;38.2;41.0;;36.3
2000;39.1;38.7;43.2;;45.4;43.2;39.8;39.5;41.5;40.7;39.1;36.7
2001;35.7;39.8;43.6;45.5;;42.7;39.0;38.8;41.8;41.6;40.2;38.0
2002;33.9;39.7;43.8;45.6;45.8;43.4;41.2;39.3;42.4;40.5;39.0;38.5
2003;36.9;41.7;42.9;45.5;46.2;40.1;38.0;37.9;41.4;41.4;40.5;38.4
2004;35.6;40.7;44.4;44.8;45.2;40.8;40.3;39.8;42.3;42.0;40.6;38.8
2005;38.0;41.5;43.9;45.2;44.3;40.5;37.5;37.3;40.1;40.2;39.6;39.9
2006;;40.2;43.5;44.5;44.4;43.2;39.4;37.5;39.8;42.0;40.4;35.7
2007;39.4;40.0;44.8;45.5;45.8;43.5;39.5;37.9;41.5;41.8;40.5;38.4
2008;33.3;40.8;43.5;45.3;45.1;42.2;37.5;37.4;39.2;40.8;39.2;39.5
2009;38.8;41.1;43.8;45.0;44.6;45.0;40.9;37.9;40.6;41.5;40.6;38.2
2010;37.3;;42.5;45.6;;43.3;40.8;37.5;39.9;40.4;40.7;37.2
2011;39.8;41.0;43.6;45.2;44.6;43.4;39.4;36.5;39.8;41.1;39.7;34.7
2012;36.4;41.2;42.4;44.2;45.4;41.9;38.6;36.3;40.0;40.5;40.1;38.1
2013;37.3;43.4;44.1;44.1;45.5;43.0;39.2;35.9;40.8;40.0;39.4;36.9
2014;37.8;40.8;42.4;45.6;;43.2;39.6;41.1;41.1;;40.7;39.1
2015;36.7;41.6;42.2;44.6;45.6;42.2;40.5;35.6;;41.5;39.0;34.7
2016;;40.0;;47.5;45.7;43.2;40.3;38.8;40.0;41.3;40.1;39.3
2017;37.0;40.4;43.5;45.1;45.6;43.5;38.6;38.1;40.2;41.3;39.0;36.8