Year annual % 1994 1.895749116921138 1995 -1.6188032118785145 1996 -0.7530897137975217 1997 5.784145806086812 1998 -2.7809194045396026 1999 0.17727868799688906 2000 4.163551323408427 2001 1.8662971678093072 2002 0.9667605964789772 2003 2.743138355393995 2004 3.3074757521358293 2005 3.8540731551386784 2006 5.99600415276538 2007 7.317841703586737 2008 2.6834649105479826 2009 -4.779035663133172 2010 2.899818556745032 2011 4.057978318210047 2012 -1.2888706156661556 2013 3.6024481690931793 2014 1.9363403801744568 2015 2.8755039121223263 2016 2.572112185203082 2017 4.9034047944359 2018 2.714225439582421 2019 -2.4462252509222964 2020 -5.445781081876618 2021 9.863733815525435 2022 -3.581355223471661 2023 2.220751659971569