Year % 1994 13.569004137344796 1995 4.514422301272486 1996 6.609463109415196 1997 15.265609422399635 1998 12.890596078247691 1999 8.02045660656994 2000 23.740436527109694 2001 15.83589338274144 2002 3.8390823997065 2003 8.800201226780137 2004 4.6597277837053825 2005 9.936911364961146 2006 12.062585677044526 2007 16.891362780175637 2008 28.56391923373806 2009 10.167607476019114 2010 9.134794337865603 2011 6.733073932298889 2014 8.054119219683772 2015 7.959690165215384 2016 5.925841466831625 2017 6.199163027038201 2018 6.731806988251712 2019 5.633922775598519 2020 4.3450406745831875 2021 1.652603506361838 2022 2.7130044140820746