Year annual % growth 1996 -2.539365113218153 1997 2.537574967049224 1998 -5.863267558876487 1999 -0.9759069821575537 2000 0.20629253457407515 2001 1.7391540312465565 2002 11.808122638441247 2003 -1.875420732128731 2004 10.504055173804971 2005 4.818312600524322 2006 9.690546078777885 2007 13.449140686373823 2008 2.6693480825187095 2009 4.9449405693410995 2010 6.197773666042778 2011 2.9998851780714375 2012 4.675776292661496 2013 3.3411852084001907 2014 3.914354126120827 2015 3.4140683230947815 2016 4.125640772739132 2017 4.349020015857931 2018 2.1317072377437682 2019 2.107866406656541 2020 -3.424916923159955 2021 5.377794331814883