Year	Percent of GDP
1980	36.275
1981	37.738
1982	38.705
1983	37.345
1984	37.196
1985	36.98
1986	35.967
1987	34.804
1988	34.481
1989	34.136
1990	33.456
1991	32.996
1992	32.213
1993	30.978
1994	31.593
1995	32.48
1996	31.931
1997	32.585
1998	33.865
1999	34.46
2000	35.177
2001	34.857
2002	33.68
2003	33.654
2004	34.634
2005	35.009
2006	35.178
2007	35.341
2008	35.329
2009	33.998
2010	35.192
2011	35.738
2012	35.719
2013	36.107
2014	35.195
2015	35.475
2016	35.958
2017	36.558
2018	36.85
2019	36.995
2020	36.998
2021	36.878
2022	36.976
2023	37.107
2024	37.133