Year annual % growth 1996 4.129727538299321 1997 2.613253748728056 1998 4.692789512066923 1999 1.5860484110305322 2000 3.2176701220406017 2001 3.937949583868331 2002 4.371351608754125 2003 3.457112532140144 2004 6.048808731277575 2005 6.789308285981747 2006 5.828314909692779 2007 7.229217883517535 2008 5.490840305878876 2009 -2.8436937586378264 2010 -0.108869682130873 2011 2.2840395822749002 2012 1.0100088492491608 2013 1.4465945468347314 2014 4.086458298762665 2015 4.901799459845634 2016 3.214836266234528 2017 5.525568652712394 2018 4.933692271994516 2019 4.673888952476801 2020 -2.3586085476282648 2021 4.887708764441911