Year	% of GDP
1996	2.45012998580933
1997	2.47713994979858
1998	2.4962100982666
1999	2.54362010955811
2000	2.6198399066925
2001	2.63715004920959
2002	2.54745006561279
2003	2.55014991760254
2004	2.48686003684998
2005	2.50192999839783
2006	2.54544997215271
2007	2.61515998840332
2008	2.74481010437012
2009	2.79182004928589
2010	2.71444988250732
2011	2.73802995681763
2012	2.6728401184082
2013	2.70215010643005
2014	2.71785998344421
2015	2.78699994087219
2016	2.85349988937378
2017	2.90432000160217
2018	3.0100998878479
2019	3.170490026474
2020	3.46777009963989
2021	3.45705008506775