Year	% of GDP
1990	28.408485263046995
1991	23.88341625640746
1992	24.837564002264237
1993	22.520915328135846
1994	22.06257753247924
1995	20.857676253971928
1996	20.756950009550998
1997	20.983540268615158
1998	20.73011772662914
1999	19.47825993499124
2000	20.659149581173004
2001	19.689359738191182
2002	19.30549213117278
2003	20.117968191867003
2004	21.486802759022673
2005	21.75942924595389
2006	22.992613832391985
2007	24.778760668276583
2008	25.188867894889533
2009	23.00661047885615
2010	22.729326842637093
2011	23.079398705530842
2012	23.044400569842743
2013	23.297653355286243
2014	23.21180365864209
2015	23.459571830753607
2016	23.430678884693414
2017	23.202157991657632
2018	22.45186675129613
2019	22.114861583930615
2020	22.42528779437432
2021	21.053255253928928
2022	21.495469949581523
2023	23.5574637284764