Year	% of GDP
1996	0.674719989299774
1997	0.574509978294373
1998	0.495409995317459
1999	0.398319989442825
2000	0.36625999212265
2001	0.391290009021759
2002	0.37720999121666
2003	0.39708000421524
2004	0.389420002698898
2005	0.412620007991791
2006	0.456820011138916
2007	0.51147997379303
2008	0.552150011062622
2009	0.443949997425079
2010	0.44666001200676
2011	0.474590003490448
2012	0.462399989366531
2013	0.390240013599396
2014	0.382079988718033
2015	0.487960010766983
2016	0.488640010356903
2017	0.506929993629456
2018	0.49728998541832
2019	0.476159989833832
2020	0.465380012989044
2021	0.473019987344742