Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez
1999;38.4;42.8;42.4;45.1;44.3;;;;;41.1;39.5;
2000;;;;46.0;;44.8;;42.4;;41.5;;33.2
2001;35.4;40.6;;;;43.2;;;;41.6;38.8;
2002;;;;45.5;;;;;43.7;43.5;39.0;38.0
2003;35.7;;;;45.8;44.5;;;;;;36.0
2004;35.7;38.8;;45.2;;;;43.2;43.6;41.8;41.0;
2005;39.3;;44.2;46.0;;45.5;;40.2;42.6;;39.4;38.0
2006;;40.2;43.6;;45.6;45.7;44.2;;43.4;;37.8;32.5
2007;34.5;40.6;;46.0;;45.7;44.4;37.6;41.2;;39.8;35.7
2008;33.3;;44.0;44.4;48.1;45.5;43.0;40.0;42.0;;39.8;40.0
2009;40.8;39.4;42.0;45.6;45.0;46.0;44.0;41.5;43.5;41.5;43.0;37.2
2010;39.4;;45.0;;46.8;44.3;45.5;39.0;43.0;42.6;41.0;36.3
2011;;41.1;;46.0;46.3;45.7;42.8;41.0;41.8;42.0;39.2;33.2
2012;37.0;41.0;41.0;46.0;46.3;44.8;41.2;40.0;41.8;42.0;40.2;36.2
2013;38.9;42.0;44.0;45.4;45.8;45.2;43.2;39.0;42.8;42.0;39.8;39.9
2014;37.3;39.0;45.5;45.0;46.0;45.8;45.2;42.2;41.2;41.2;40.0;36.1
2015;38.2;40.0;43.8;44.5;45.7;45.2;44.8;42.0;44.2;44.5;37.3;28.8
2016;34.8;45.0;44.8;45.5;46.4;45.6;41.7;41.0;41.5;42.6;38.6;36.0