Year	% of GDP
1985	4.09021997451782
1986	5.72269010543823
1987	5.05850982666016
1998	2.56712007522583
2000	2.60753011703491
2005	2.12011003494263
2006	2.28146004676819
2009	2.92000007629395
2010	3.42131996154785
2011	3.24000000953674
2012	3.08200001716614
2013	3.86999988555908
2014	2.9300000667572
2015	3.09999990463257
2016	2.75500011444092
2017	2.46700000762939
2018	2.04500007629395
2019	2.07299995422363
2020	2.74499988555908
2021	2.29699993133545
2022	2.33200001716614