Year annual % 1991 -13.191146609831122 1992 -41.09865024685108 1993 -5.708269453434184 1994 8.012920544392287 1995 8.538542212111636 1996 6.631865560260209 1997 4.188979574520758 1998 8.322090805509603 1999 4.4122528491264745 2000 7.153578184537636 2001 10.837976171999713 2002 14.22429284853348 2003 14.773836275458208 2004 11.161649451066992 2005 14.59145585793911 2006 13.976488640084 2007 14.53610037191575 2008 7.651455058233708 2009 -13.545791682776539 2010 2.82448188304339 2011 5.319018351838196 2012 7.735370834490297 2013 3.7641296484265183 2014 4.010645933192734 2015 3.606369078322075 2016 0.6461359427528208 2017 8.024397048834814 2018 5.7698821490317584 2019 8.208649499594884 2020 -6.704049317567268 2021 6.354744401718463 2022 13.025418517299258 2023 8.797784101340199