Year annual % 1991 36.192388375198846 1992 12.357262566675445 1993 21.008802894859173 1994 12.341966644148556 1995 8.821120813441624 1996 9.905093927605904 1997 8.311507149110682 1998 9.80796368629828 1999 3.041796274261017 2000 1.8421337278037697 2001 4.889284957705328 2002 2.7243493952577182 2003 1.2927226314720883 2004 4.049045319035585 2005 0.09494426967620484 2006 0.6541053208696752 2007 3.5403818069682984 2008 2.0095812372326662 2009 2.5878206809262423 2010 -1.4253139921248703 2011 -0.02057195800936995 2012 1.4509210705580813 2013 1.3647047378245247 2014 2.5785363156947625 2015 0.9922761602902739 2016 1.1414506012034735 2017 1.3069443165013581 2018 2.5675739707534717 2019 3.8889534460210484 2020 4.318402839259349 2021 3.327809591967835 2022 8.547350789480276 2023 8.555310340334032