Year	% of GDP
1996	1.58077001571655
1997	1.65490996837616
1998	1.73154997825623
1999	1.845370054245
2000	1.88601994514465
2001	1.99210000038147
2002	2.06597995758057
2003	2.17456007003784
2004	2.16612005233765
2005	2.37323999404907
2006	2.35923004150391
2007	2.41843008995056
2008	2.56944990158081
2009	2.59674000740051
2010	2.72609996795654
2011	2.66867995262146
2012	2.91472005844116
2013	2.95492005348206
2014	3.08429002761841
2015	3.04969000816345
2016	3.11654996871948
2017	3.05656003952026
2018	3.09182000160217
2019	3.13246989250183
2020	3.20148992538452
2021	3.25631999969482