Year annual % change 1990 -6.392794034296124 1991 8.527734608274852 1992 9.395426177231524 1993 40.77039999999998 1994 1.9606394526122006 1995 39.85336904237711 1996 1.3093072806990014 1997 42.45361557786844 1998 21.730611703862813 1999 -6.290720676575745 2000 9.432691888698974 2001 -23.357655352554062 2002 -11.83859272122315 2003 33.780692876637545 2004 14.122311608394345 2005 14.804368716686112 2006 26.964546760157624 2007 4.955536969525776 2008 -30.597939777269147 2009 24.50504891885703 2010 11.038744941184042 2011 -9.41075661636812 2012 18.1294369033328 2013 25.7346967102522 2014 -0.479565739322629 2015 -0.827568156673308 2016 -6.1250691059213 2017 21.0930007704375 2018 -11.9569656798225 2019 29.1597345609927 2020 10.4277855506813 2021 16.4824594678104 2022 -19.7964326708619