"Jahr" "Pflanzenschutzmittel im Grundwasser" "Category" 1993 0.754 0 1994 0.142 1 1995 0.092 2 1996 0.172 3 1997 0.171 4 1998 0.382 5 1999 0.278 6 2000 0 7 2001 0.197 8 2002 0.263 9 2003 0.39 10 2004 0.603 11 2005 0.727 12 2006 0.773 13 2007 0.614 14 2008 0.62 15 2009 0.983 16 2010 1.519 17 2011 0.943 18 2012 0.945 19 2013 0.88 20 2014 0.626 21 2015 0.532 22 2016 0.439 23 2017 0.611 24 2018 0.658 25 2019 0.726 26 2020 0.47 27 2021 0.22 28 2022 0.38 29 2023 0.3 30 2024 0.43 31