Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez
1999;33.2;37.7;40.5;;;46.6;;;42.5;;41.5;
2000;;34.5;39.4;43.0;;43.5;;42.0;42.5;;;32.5
2001;32.5;;39.8;44.6;;43.7;;42.0;42.8;40.5;36.0;
2002;;35.7;40.4;43.0;45.0;;43.6;41.2;43.2;40.3;36.2;35.4
2003;34.1;;;43.8;44.4;44.4;;;41.5;41.0;38.5;34.6
2004;33.6;36.5;39.9;43.5;45.7;;42.0;39.5;41.9;40.8;38.4;34.8
2005;34.9;37.9;40.6;42.8;46.5;43.5;;42.9;42.9;40.6;37.5;39.9
2006;;39.5;41.2;42.0;43.9;44.7;43.3;;41.7;41.5;36.0;30.6
2007;36.9;36.5;;;;44.5;43.0;;;;;34.4
2008;28.6;;41.0;;;;42.8;41.6;42.1;41.8;36.8;36.5
2009;34.9;39.4;40.2;44.7;44.7;46.1;43.5;43.0;42.6;;;35.0
2010;37.3;40.5;41.5;44.2;46.1;47.1;44.4;43.3;42.9;42.6;38.6;34.1
2011;37.9;38.5;40.6;43.7;44.9;45.3;43.0;43.4;41.6;41.1;37.0;31.6
2012;34.4;39.0;39.6;44.3;45.0;44.8;42.9;42.2;42.4;40.9;39.0;35.6
2013;36.2;41.1;42.1;43.6;46.0;46.3;43.5;40.5;42.7;40.8;38.1;37.0
2014;36.4;35.8;42.1;44.5;45.5;45.6;45.5;43.3;43.2;40.5;39.5;37.7
2015;34.9;40.4;40.5;43.2;46.0;45.5;44.2;42.1;;42.5;36.9;32.5
2016;33.5;38.5;41.8;44.6;45.4;46.0;42.5;42.7;42.5;41.0;37.0;34.0
2017;35.1;36.9;41.5;43.6;45.1;45.5;41.3;41.3;42.6;41.5;35.6;33.7