Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez
1996;;;32.6;;;;;;44.0;;;29.6
1997;;;32.0;39.8;41.2;;42.7;43.1;;42.2;31.7;26.9
1998;25.6;28.9;;41.0;43.0;42.5;43.6;43.5;41.7;41.6;34.3;29.0
1999;28.3;33.7;33.8;36.3;;41.8;41.9;42.2;42.5;39.4;32.9;29.3
2000;29.1;27.1;32.3;39.7;42.2;42.3;;43.1;40.1;;32.4;27.2
2001;26.9;;35.4;40.1;42.1;41.9;43.4;43.8;43.6;37.3;32.5;28.2
2002;23.8;31.0;33.3;;41.1;39.5;44.5;43.7;43.7;39.1;34.2;27.5
2003;28.5;28.6;31.5;39.5;43.0;43.5;44.0;43.4;42.4;40.2;33.3;27.6
2004;27.1;29.1;34.2;39.0;44.4;42.6;43.6;43.0;42.0;39.3;33.0;28.0
2005;25.5;33.4;34.1;39.1;41.2;43.4;43.0;43.2;42.2;38.8;31.7;31.4
2006;29.7;32.2;34.7;37.7;38.8;44.4;43.2;44.2;43.0;39.8;30.1;26.0
2007;25.1;29.9;34.9;40.2;42.9;43.7;42.5;43.2;40.4;39.7;34.5;29.3
2008;24.8;27.7;36.9;40.1;42.3;45.0;43.5;44.5;43.1;38.0;34.2;30.6
2009;29.4;31.2;32.8;42.2;40.6;43.8;44.1;44.0;43.8;39.7;32.4;28.2
2010;30.9;33.0;35.4;40.0;43.2;44.9;43.0;44.3;42.7;41.9;36.1;29.5
2011;26.1;31.5;33.4;37.1;41.8;43.3;43.9;43.6;41.0;;;
2012;25.5;31.0;32.5;39.8;43.3;44.4;44.3;43.7;41.4;40.1;33.5;26.3
2013;31.8;31.5;36.5;38.3;43.0;43.7;41.9;41.4;42.3;37.4;33.7;28.6
2014;28.5;29.7;35.9;41.1;42.7;43.5;43.8;43.3;42.0;38.1;32.6;
2015;26.6;32.9;36.2;;41.8;44.1;43.9;45.6;44.3;40.3;32.1;25.1
2016;25.0;30.8;36.8;40.7;41.8;45.3;43.3;43.1;41.7;39.5;34.3;28.2
2017;22.0;25.2;32.3;34.6;42.3;42.7;44.8;43.6;42.6;37.5;30.7;30.5