"Jahr" "Recyclingquote" 2003 40.4 2004 40.8 2005 42.2 2006 42.5 2007 42.6 2008 45.2 2009 42 2010 42.9 2011 43.9 2012 44.7 2013 44 2014 43.4 2015 42.5 2016 42.9 2017 42.4 2018 40.3 2019 40.6 2020 41.1 2021 40