Year	% of GDP
1981	0.5769973067166713
1983	0.5515754010630349
1984	0.5645803341497059
1985	0.5665428853795583
1986	0.7209389382457362
1987	0.8433715025063906
1988	0.8076202353942878
1989	0.5180253038760131
1990	0.5619117428971141
1991	0.6322551627312178
1992	0.7136462019088082
1993	0.6264012652186824
1994	0.6816513841461451
1995	0.7297497424126472
1996	0.6717951548035227
1997	0.6535181503529944
1998	0.7270036545509987
1999	0.9105531742637849
2000	0.9047914238157407
2001	1.1140730726784096
2002	1.437834337992547
2003	1.8525615612942752
2004	1.8804926165366913
2005	1.7763630932515766
2006	1.7830692579314011
2007	1.6339374102385826
2008	1.4322779061304518
2009	1.3439977720696838
2010	1.1028206547959762
2011	1.0299831229755805
2012	1.0253286655714757
2013	1.0219931908044342
2014	1.0490220560456691
2015	1.408733546047818
2016	1.5453151324291106
2017	1.5352649599800734
2018	1.7227032547295524
2019	1.8946885842217522
2020	2.4105860401443
2021	2.6094580810329835
2022	2.5290155232012808
2023	2.425910329533882