Year annual % 1990 8.40996376629131 1991 -2.83728082295565 1992 1.72687535623919 1993 -2.95148952716741 1994 -8.7636265269017 1995 2.87299753220067 1996 4.48875581511778 1997 8.58485338489292 1998 -11.6485735659254 1999 11.5939764773489 2000 29.0157091741674 2001 -5.59189804976488 2002 0.374209528530272 2003 6.10461106430277 2004 15.8861646575306 2005 18.7663191432748 2006 10.0477214755424 2007 1.12044769381039 2008 12.6927299583618 2009 -22.091416476352 2010 16.6882828463997 2011 20.1805054151625 2012 1.21870268728608 2013 -2.82132116989543 2014 -1.84645728365686 2015 -17.6128031341262 2016 -9.16786161646344 2017 4.95369028901914 2018 9.21586313276943 2019 -3.3341833764367 2020 -10.8637596350162 2021 15.4659287021718 2022 24.2367268387765 2023 -12.8961958316631