Year annual % growth 1996 -4.251969869350532 1997 3.052882747161462 1998 -8.093836918937882 1999 -1.2763578155769721 2000 0.5294196882913837 2001 2.4607604594621364 2002 15.520970490627732 2003 -3.1541251486579114 2004 12.785896649618664 2005 5.264024719227763 2006 11.358719349062724 2007 16.577898210454677 2008 3.441729666986589 2009 5.124660619956245 2010 6.705523442252243 2011 3.594187176675277 2012 5.188871340834595 2013 3.516988599000271 2014 4.142870770840233 2015 3.206140707521115 2016 4.092482488020337 2017 4.747660974558457 2018 1.9535109764707244 2019 2.4363167303314697 2020 -2.3899582152455565 2021 6.13420220593261