Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez
1996;;32.5;36.0;38.8;44.1;43.7;43.2;44.1;44.0;40.3;;
1997;29.5;27.2;33.1;40.4;42.4;44.5;43.3;43.1;44.0;40.5;34.0;29.4
1998;28.0;30.4;32.4;41.1;43.7;43.7;43.9;42.5;42.3;41.6;35.9;32.5
1999;30.0;;35.3;38.7;44.0;44.0;41.6;41.3;43.5;40.6;34.2;31.3
2000;29.3;30.7;34.2;40.7;44.1;44.0;44.2;43.8;42.8;;33.8;28.9
2001;28.1;;36.4;41.0;43.7;42.6;44.0;41.8;44.3;39.9;34.8;30.7
2002;26.0;32.4;35.8;32.8;41.9;43.5;44.8;43.1;44.1;40.4;35.5;29.0
2003;30.1;31.5;33.5;39.7;43.6;44.2;42.4;41.8;43.3;40.8;34.6;30.1
2004;29.2;30.5;36.1;40.0;45.2;43.6;43.9;43.5;43.4;40.7;34.6;29.5
2005;26.5;34.9;36.1;40.6;41.8;44.4;43.1;43.2;43.1;40.0;33.6;32.3
2006;31.2;33.2;34.9;38.2;43.3;44.9;43.6;43.2;42.7;40.6;32.4;27.0
2007;26.3;31.1;35.8;40.3;43.4;43.7;41.3;41.9;41.7;40.7;35.4;31.0
2008;27.4;29.6;38.1;41.2;42.7;45.2;43.6;43.9;42.5;38.2;34.7;31.1
2009;30.0;32.2;34.2;42.2;41.2;44.8;44.1;42.9;44.0;39.7;33.4;29.2
2010;31.3;33.3;35.9;40.4;43.6;45.2;42.9;43.5;43.0;42.0;36.6;24.9
2011;27.5;32.9;34.0;38.4;42.4;44.3;43.6;43.6;42.0;;;
2012;26.9;32.7;34.3;40.2;43.4;44.4;44.6;43.1;42.8;40.3;35.2;29.9
2013;30.6;33.5;37.1;38.6;42.7;43.6;42.4;40.2;43.1;37.6;34.0;28.9
2014;29.0;30.7;35.9;40.0;42.0;;42.6;41.8;41.4;39.0;33.0;
2015;27.0;34.0;33.5;;42.0;45.0;43.0;44.0;44.7;41.0;32.8;26.4
2016;26.1;30.8;37.3;36.5;42.4;44.5;42.6;42.0;41.7;40.3;35.4;29.5
2017;30.5;28.1;33.4;39.4;39.4;44.0;43.7;37.3;43.0;39.2;34.6;31.7