Year	Percent of GDP
1990	18.945
1991	14.058
1992	13.803
1993	13.883
1994	17.512
1995	16.495
1996	17.377
1997	16.336
1998	16.105
1999	16.782
2000	16.943
2001	17.347
2002	18.634
2003	17.644
2004	17.081
2005	16.658
2006	15.615
2007	14.923
2008	15.74
2009	16.948
2010	18.488
2011	17.606
2012	17.875
2013	19.168
2014	19.212
2015	19.286
2016	19.346
2017	20.022
2018	19.684
2019	20.277
2020	20.102
2021	20.029
2022	19.585
2023	19.163
2024	18.726