Year	% of GDP
1990	22.94688221709007
1991	22.22222222222222
1992	22.82608695652174
1993	17.15736040609137
1994	13.58961389310403
1995	15.766496709307019
1996	15.098598303785987
1997	13.4179320121037
1998	12.061763612618758
1999	12.700557555953873
2000	12.096827169414702
2001	10.35042973936133
2002	10.12843222397784
2003	8.635627707521989
2004	8.850251441236363
2005	8.518590808565312
2006	8.578727591557648
2007	8.303169958822748
2008	8.666253694406691
2009	8.131391577105706
2010	8.891519589266585
2011	8.001757555045648
2012	8.131052248771814
2013	6.809122267639895
2014	7.303391702552774
2015	6.2829496162829495
2016	6.895280624335169
2017	7.566100540908575
2018	6.590091563113146
2019	6.794970756761572
2020	7.077163524154928
2021	6.706844792202579
2022	8.04181871674039
2023	7.250383271101428