Year	% of GDP
1996	0.723923257021461
1997	0.7497153309924254
1998	0.7323131342795242
1999	0.7368051306033607
2000	0.7453908103945432
2001	0.7497130054659442
2002	0.7386775543663537
2003	0.7307178693875118
2004	0.7340406283031289
2005	0.735126948620872
2006	0.751657578286514
2007	0.7556382512844935
2008	0.781211890450511
2009	0.8252428739135763
2010	0.872072488784128
2011	0.9533954034681458
2012	1.0523337739596061
2013	1.0654233101695267
2014	1.0906595943648074
2015	1.1408079424626105
2016	1.025748461604355
2017	1.0849827122248805
2018	1.1913695914466482
2019	1.245519600167923
2020	1.3053947778077162
2021	1.328432298179291