Year	% of GDP
1990	11.125800255885004
1991	12.341895303702973
1992	13.212194111627598
1993	13.85022777225804
1994	14.917558491670684
1995	15.433280253365321
1996	12.433399158330472
1997	13.14322983994286
1998	13.46383966475938
1999	13.614021449643248
2000	14.844511943845017
2001	14.151357176014564
2002	13.605949999029942
2003	14.072295152024871
2004	14.836802596675486
2005	13.00823241257314
2006	15.013978221100269
2007	15.853336664364337
2008	15.792502205773204
2009	12.631905472337204
2010	12.971218435465895
2011	14.078687503019655
2012	13.999621250201649
2013	15.08151531356521
2014	13.435917546087431
2015	13.182389121367475
2016	13.030027575881212
2017	13.452397775908667
2018	14.506943470332445
2019	15.361216079377588
2020	14.982189855299847
2021	18.7040037681876
2022	19.650554004323997
2023	19.48637126120294