Year	% of GDP
1996	0.4619414382319396
1997	0.5637298051058762
1998	0.6266627537671153
1999	0.6926804464033631
2000	0.7278184717831979
2001	0.7975595027794691
2002	0.9092251856094566
2003	1.003996760537535
2004	1.1052297687655877
2005	1.1772212612904567
2006	1.2477956658167033
2007	1.2450610913442641
2008	1.3443884867466214
2009	1.4001702774084857
2010	1.6848394448289887
2011	1.6139737575061288
2012	1.8807325430988004
2013	1.707428610267965
2014	1.9416734241282587
2015	1.9063688072734428
2016	1.9031541294708842
2017	1.9000984970276802
2018	1.9120721737446555
2019	2.023989530251969
2020	2.1973204222014804
2021	2.3504619257467247