Year	Percent of GDP
1980	28.901
1981	29.69
1982	30.144
1983	32.002
1984	32.124
1985	33.848
1986	34.517
1987	36.165
1988	36.222
1989	38.079
1990	38.14
1991	39.015
1992	40.623
1993	40.403
1994	39.512
1995	38.305
1996	38.736
1997	38.75
1998	39.109
1999	39.568
2000	38.069
2001	37.913
2002	38.211
2003	37.915
2004	38.656
2005	39.525
2006	40.484
2007	40.951
2008	36.735
2009	34.828
2010	36.246
2011	36.188
2012	37.635
2013	38.573
2014	38.878
2015	38.453
2016	37.735
2017	37.916
2018	38.736
2019	38.874
2020	38.741
2021	38.561
2022	38.578
2023	38.491
2024	38.402