Year annual % 1993 13.176880106339647 1996 25.79525517365556 1997 25.29210939866263 1998 23.809449130810304 1999 66.45159727520898 2000 35.41931848888725 2001 27.33646235629033 2002 13.27453490332902 2003 33.05204433099661 2004 31.049976485201547 2005 30.90671045949977 2006 29.670795873348155 2007 49.105997368946745 2008 20.69752706063764 2009 26.2326704190675 2010 29.714606841345898 2011 11.94244604014647 2012 24.544747699406706 2013 21.399470154494743 2014 19.74001848538659 2015 14.90843991878047 2016 17.880356855518198 2017 14.256368311521324 2018 12.698383907647651 2019 13.621302297699312 2020 13.633490003684443 2021 9.675951414634177 2022 5.679409737299154