Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez
1997;;;;;;;;;;;34.4;27.4
1998;26.4;30.2;;;41.2;;;42.1;41.1;31.8;31.9;29.9
1999;;24.6;36.4;39.3;;;;;;37.6;32.6;
2000;;;33.1;40.4;;42.5;;41.8;41.2;37.7;;27.3
2001;;27.9;;;;;;42.4;;36.3;;
2002;;28.7;;40.5;42.8;;43.4;42.9;42.3;37.4;31.9;28.9
2003;28.0;;;;41.7;42.3;;;41.3;;33.4;27.2
2004;26.9;29.6;;;;;;42.0;40.9;37.9;33.7;
2005;25.6;33.8;36.5;39.7;;42.9;;41.9;41.7;;32.5;28.9
2006;;32.6;35.1;39.4;42.6;42.2;42.9;;41.7;;30.2;26.8
2007;25.9;31.1;;41.6;43.4;44.2;44.4;41.6;40.8;;33.9;28.3
2008;24.5;;36.0;38.4;40.9;43.9;43.0;41.9;42.3;38.0;33.6;29.5
2009;30.0;32.3;34.7;42.4;41.7;44.1;43.7;42.5;42.7;39.8;32.6;30.4
2010;30.3;;36.4;;44.1;45.1;42.3;42.2;41.8;40.7;35.3;29.1
2011;26.8;31.2;;38.6;42.6;44.4;43.5;42.2;41.5;38.2;32.5;26.6
2012;26.0;31.1;32.2;42.1;42.6;43.8;42.8;41.4;41.3;39.0;34.5;28.3
2013;26.7;31.0;39.4;39.6;43.8;43.7;42.6;42.0;41.8;37.2;35.1;28.3
2014;28.2;29.0;35.0;40.8;41.9;44.6;43.7;42.0;41.2;37.6;33.7;27.5
2015;24.7;31.5;34.0;36.6;42.9;44.4;43.5;42.7;;39.2;30.4;24.4
2016;26.3;31.2;36.3;42.0;43.8;43.4;42.8;41.7;41.8;38.3;34.0;28.7
2017;27.0;29.1;33.1;38.6;43.6;43.8;42.9;41.8;42.5;37.0;31.7;27.3
2018;26.3;33.0;37.4;41.0;44.3;44.6;43.6;40.8;41.7;40.6;33.4;26.1
2019;25.7;27.4;34.2;39.4;44.0;44.1;43.5;41.0;41.9;39.6;35.7;28.2