Year annual % growth 1998 4.260578958898705 1999 5.45207532149503 2000 7.153889370633308 2001 -4.0184837003847065 2002 1.167684089717767 2003 5.538817657870538 2004 7.043241314275804 2005 2.919306682939876 2006 5.775564850866786 2007 3.4139544865684286 2008 -1.9969521654228828 2009 -9.57166582572917 2010 5.792722891864784 2011 0.46838193468900613 2012 -0.42964607071870375 2013 2.809849985850988 2014 1.7719800618720285 2015 1.0152188790949737 2016 -0.2960720653234006 2017 3.3573721760733264 2018 4.2066138137194 2019 1.5661128345615367 2020 -4.602409594404548 2021 6.789701452132874