Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez
1999;31.0;35.5;40.0;43.5;;45.1;44.3;;44.2;43.7;;32.8
2000;35.5;32.0;;43.5;45.5;45.0;45.0;44.3;;40.7;35.4;30.5
2001;30.3;35.0;39.3;;45.8;45.2;;44.5;44.0;42.3;36.2;
2002;28.0;34.5;39.0;43.2;45.6;;;46.0;45.0;41.0;35.0;35.0
2003;33.0;36.0;;;;;;;;;;
2004;;;40.3;;;46.3;;45.6;44.0;45.0;37.6;34.6
2005;31.9;38.8;39.7;43.3;43.7;45.0;46.7;;;;;36.2
2006;;36.6;39.5;;;46.2;45.6;46.0;;;37.3;
2007;;;41.0;44.2;46.5;47.0;46.0;;;44.2;38.0;
2008;;33.0;39.5;;;;;;;;;