Year	% of GDP
2000	2.210038326003516
2001	2.2003519319782208
2002	2.1453815173632442
2003	2.2460324845092403
2004	2.282271255131972
2005	2.296979470625186
2006	2.3620782951697783
2007	2.4078126650247405
2008	2.5239830654034647
2009	2.8399436708957313
2010	2.764925277650264
2011	2.786783783644908
2012	2.8555037706600954
2013	2.9574403587847975
2014	3.061120053504915
2015	3.204918674937587
2016	3.16457679077157
2017	3.140372623264001
2018	3.0948002134020776
2019	3.1231140198806533
2020	3.3281254946881145
2021	3.200409392436457