Year	% of GDP
1996	64.68013840320465
1997	63.907856308917246
1998	66.55972472098121
1999	67.11430797058723
2000	66.56938891687987
2001	67.48604903668914
2002	69.40325389619089
2003	70.7182489721792
2004	71.45198021097819
2005	72.95085092028106
2006	73.27161242861585
2007	72.43835307889064
2008	72.3230981000324
2009	72.45328608247422
2010	72.46922024623802
2011	73.00623278736049
2012	71.65748349079176
2013	71.76984497329808
2014	72.88475391197939
2015	72.7584790113482
2016	72.04849149650518
2017	70.81707785988044
2018	70.21441479172262
2019	70.40577176691714
2020	73.51017868354327
2021	74.96168045840021
2022	74.60897385602445
