Jahr;Jan;Feb;Mrz;Apr;Mai;Jun;Jul;Aug;Sep;Okt;Nov;Dez
2014;;;;;47.6;48.6;48.9;47.1;45.2;41.0;37.1;31.6
2015;30.8;37.0;39.7;43.7;47.5;48.1;48.4;48.3;46.2;43.6;35.4;31.9
2016;32.8;37.7;;;;45.8;48.1;47.6;45.1;40.9;35.9;35.0
2017;32.6;33.1;40.2;42.3;47.0;49.5;47.0;46.4;42.8;41.5;;32.2