Year	% of GDP
1996	2.45255994796753
1997	2.62157988548279
1998	2.78442001342773
1999	3.0561900138855
2000	3.24137997627258
2001	3.19372010231018
2002	3.25307989120483
2003	3.29821991920471
2004	3.30907011032104
2005	3.32369995117188
2006	3.33214998245239
2007	3.33703994750977
2008	3.53696990013123
2009	3.73401999473572
2010	3.70531988143921
2011	3.61806011199951
2012	3.3983199596405
2013	3.27136993408203
2014	3.14751005172729
2015	2.87195992469788
2016	2.72442007064819
2017	2.72786998748779
2018	2.75748991966248
2019	2.79960989952087
2020	2.91243004798889
2021	2.98934006690979