Year annual % growth 1998 1.5537513032483474 1999 3.430268317323737 2000 6.432249783576566 2001 -1.0554039877644072 2002 1.4123167427513579 2003 3.6931353917154013 2004 5.526219759979398 2005 3.6422851329397616 2006 5.646089662570702 2007 4.333765216388841 2008 -0.29586561174119197 2009 -9.885034912038748 2010 8.48307794381222 2011 2.804357309337078 2012 0.6206190851189888 2013 1.6387246683557777 2014 2.843467885211396 2015 2.526593024795744 2016 1.5740603392427488 2017 3.8720655484689672 2018 3.269361845798514 2019 0.6995588159642239 2020 -4.105030110514974 2021 8.374804801362941