Year	% of GDP
1998	0.565010011196136
1999	0.677079975605011
2000	0.600000023841858
2001	0.698390007019043
2002	0.712029993534088
2003	0.764649987220764
2004	0.845839977264404
2005	0.917050004005432
2006	1.11276996135712
2007	1.05874001979828
2008	1.25188004970551
2009	1.39679002761841
2010	1.57898998260498
2011	2.30521988868713
2012	2.12480998039246
2013	1.72412002086639
2014	1.43023002147675
2015	1.4677699804306
2016	1.24305999279022
2017	1.27684998512268
2018	1.40998995304108
2019	1.63145995140076
2020	1.75092005729675
2021	1.75215005874634