Year	% of GDP
2000	0.6190189405310527
2001	0.6382954408005096
2002	0.6864847475291734
2003	0.736688689066736
2004	0.7741940982154761
2005	0.8224412680666955
2006	0.8617878706541489
2007	0.8733719568696112
2008	0.9606603408901306
2009	1.0324720141488637
2010	1.1202169013045598
2011	1.13718963387207
2012	1.2484668080516081
2013	1.2166572329699574
2014	1.366039995449748
2015	1.3764672974680374
2016	1.4157092754788676
2017	1.3679663763346483
2018	1.449305109056331
2019	1.4817859754847256
2020	1.6718727170572998
2021	1.9786181263458449