Year	Percent of GDP
1990	13.458
1991	14.617
1992	18.271
1993	21.063
1994	23.628
1995	25.602
1996	27.702
1997	29.575
1998	30.658
1999	34.719
2000	34.802
2001	35.741
2002	39.668
2003	39.723
2004	45.674
2005	42.572
2006	37.317
2007	30.024
2008	27.122
2009	25.594
2010	24.198
2011	24.395
2012	23.95
2013	22.923
2014	23.054
2015	23.265
2016	22.787
2017	22.127
2018	20.823
2019	19.801
2020	18.486
2021	17.263
2022	16.024
2023	14.866
2024	13.74