Year	% of GDP
1972	2.78820991516113
1989	0.871410012245178
1994	0.998549997806549
1995	1.00434994697571
1996	1.07854998111725
1997	1.07208001613617
2001	2.46003007888794
2002	2.64568996429443
2003	3.21799993515015
2004	2.74847006797791
2005	2.8728199005127
2007	3.04425001144409
2008	2.90190005302429
2009	3.52513003349304
2010	2.81227993965149
2011	3.18944001197815
2012	3.40748000144958
2013	3.35904002189636
2014	3.28800988197327
2015	3.58360004425049
2016	3.56997132301331
2017	2.66997861862183
2018	2.75422644615173
2019	2.84207797050476
2020	3.48981857299805
2021	3.04651999473572
2022	2.42012596130371