Year	Percent of GDP
1988	17.568
1989	17.69
1990	17.442
1991	19.037
1992	18.472
1993	17.32
1994	17.897
1995	17.852
1996	17.354
1997	16.663
1998	16.011
1999	16.853
2000	17.372
2001	16.946
2002	17.732
2003	18.195
2004	18.897
2005	19.062
2006	20.338
2007	21.962
2008	19.708
2009	18.518
2010	18.821
2011	19.291
2012	19.814
2013	19.6
2014	19.149
2015	19.854
2016	20.151
2017	19.817
2018	20.603
2019	20.352
2020	20.395
2021	20.426
2022	20.457
2023	20.488
2024	20.519