Year annual % growth 1991 -16.22002086656684 1992 28.81589826429041 1993 4.574172843454136 1994 -4.019970709044259 1995 -11.111104789593014 1996 1.2207103443552683 1997 -22.286572815552404 1998 0.496585819923979 1999 -4.385411648496671 2000 7.687324661644084 2001 -15.296690369603837 2002 12.7506653929741 2003 -1.0985310379068096 2004 1.09599738259341 2005 3.5268957816254556 2006 16.409623738151097 2007 1.1421390901972188 2008 1.4943956784130705 2009 -6.805687481403723 2010 9.094233590510228 2011 14.976365064816036 2012 4.020558620025966 2013 2.4492597807260523 2014 -7.143422007397277 2015 0.39710923352336636 2016 4.589874535023014 2017 4.901933921163533 2018 3.5016507856904013 2019 4.467336607327638 2020 -6.719554735285868 2021 3.960739628114169 2022 4.525276882376673 2023 4.723546234509058