Year	% of GDP
1998	0.428299993276596
1999	0.457670003175735
2000	0.46492999792099
2001	0.536450028419495
2002	0.581470012664795
2003	0.68027001619339
2004	0.721759974956512
2005	0.773429989814758
2006	0.794679999351501
2007	0.751609981060028
2008	0.71995997428894
2009	0.773419976234436
2010	0.749459981918335
2011	0.720860004425049
2012	0.727330029010773
2013	0.730170011520386
2014	0.740140020847321
2015	0.761829972267151
2016	0.791499972343445
2017	0.835189998149872
2018	0.863300025463104
2019	0.925570011138916
2020	0.99235999584198
2021	0.970380008220673
2022	1.06947994232178