Year	Percent of GDP
1990	24.259
1991	21.295
1992	20.149
1993	19.313
1994	19.863
1995	19.906
1996	21.877
1997	21.692
1998	20.624
1999	21.178
2000	20.322
2001	20.563
2002	20.755
2003	22.573
2004	21.433
2005	22.123
2006	22.569
2007	23.583
2008	27.733
2009	27.795
2010	27.674
2011	27.716
2012	28.214
2013	27.777
2014	27.973
2015	27.527
2016	27.369
2017	25.72
2018	25.765
2019	24.364
2020	24.096
2021	23.864
2022	23.955
2023	23.975
2024	24.002