Year	% of GDP
2000	0.96102405
2001	1.25510871
2002	1.41283405
2003	1.6680541
2004	1.73261917
2005	1.68276179
2006	1.81756639
2007	2.12949157
2008	2.16740918
2009	2.45888352
2010	2.92586303
2011	3.14382219
2012	3.52020597
2013	3.91916442
2014	4.19739294
2015	4.38921881
2016	4.501472
2017	4.64450216
2018	4.97737408
2019	4.8712554
2020	5.07644606
2021	5.27873421