Year	% of GDP
1989	13.07859181597143
1990	14.101542448942638
1991	15.166942906245454
1992	16.659752244060883
1993	15.474848935605914
1994	15.713120896954846
1995	16.162505033923377
1996	16.461819966535625
1997	17.51246302334154
1998	18.17739341461077
1999	19.289949064375474
2000	20.251010631491535
2001	20.44047622824804
2002	21.36234856932708
2003	21.809090720348838
2004	22.58131914927256
2005	22.073306452224205
2006	22.16991808380273
2007	22.364082430806125
2008	23.28402929355559
2009	19.841488975386483
2010	20.41399839834839
2011	21.410837576595267
2012	22.361432363357203
2013	22.854016470172365
2014	23.137642281893424
2015	23.056195511973034
2016	22.471183786961756
2017	22.161353212665908
2018	24.772179563697293
2019	24.562050222165563
2020	24.015485247108494
2021	28.00204594713836
2022	29.849832396123404
2023	25.467306333050228