Year	% of GDP
1996	0.396890014410019
1997	0.366270005702972
1998	0.379220008850098
1999	0.351830005645752
2000	0.434830009937286
2001	0.402630001306534
2002	0.408430010080338
2003	0.35929998755455
2004	0.398400008678436
2005	0.527069985866547
2006	0.646910011768341
2007	0.551069974899292
2008	0.577199995517731
2009	0.448579996824265
2010	0.605710029602051
2011	0.71561998128891
2012	0.663070023059845
2013	0.613210022449493
2014	0.689079999923706
2015	0.619400024414062
2016	0.435140013694763
2017	0.511039972305298
2018	0.638689994812012
2019	0.636269986629486
2020	0.729910016059875
2021	0.740920007228851