Year	% of GDP
1996	1.6985877715355548
1997	1.7308173998273844
1998	1.699581713830366
1999	1.783865884084464
2000	1.7628843651247819
2001	1.8214789462921341
2002	1.7897874106159375
2003	1.825442613781925
2004	1.7936211979066512
2005	1.7818574760874237
2006	1.8025242732113356
2007	1.7965219818539195
2008	1.873834700227723
2009	1.9682403154389276
2010	1.9692174255355759
2011	2.0157342605041073
2012	2.0767565769159932
2013	2.0969494099123427
2014	2.1180479751720003
2015	2.1180609300197255
2016	2.1173679972679413
2017	2.152529740995799
2018	2.1852664867390734
2019	2.2239088256249486
2020	2.3005116821758036
2021	2.275907578758786