Year	% of GDP
1999	2.73165500164032
2000	2.57921004295349
2001	2.707200050354
2002	2.59441995620728
2004	2.862190008163455
2005	3.3371399641036996
2006	3.00991988182068
2007	3.07841992378235
2008	3.251044988632205
2009	3.1739399433136
2010	3.34388995170593
2011	3.124369978904725
2012	3.4344699382782
2013	3.25525999069214
2014	3.31416988372803
2015	3.3940649032592747
2016	3.255934953689575
2017	3.53362989425659
2018	3.457279920578
2019	3.44067001342773
2020	3.40899991989136
2021	3.37276005744934
2022	3.378859996795655