Year	% of GDP
1997	60.2349838714921
1998	57.87781611826139
1999	48.00031067047959
2000	36.956969405932874
2001	25.919596515687292
2002	29.98561733394473
2003	34.19162105175677
2004	36.3877505192398
2005	42.07400847214337
2006	42.55303032767041
2007	49.2611284876516
2008	53.11423776586983
2009	52.794419944506046
2010	52.78321549081073
2011	53.126635691412794
2012	54.709807298405146
2013	54.850416117195
2014	54.65802358361952
2015	52.982750351914056
2016	52.533163192395996
2017	53.590945204164406
2018	52.915723016212766
2019	53.361630760299626
2020	53.432363598437185
2021	49.2742520380268
2022	44.33535115068112
2023	44.28206325242038
