Year	Percent of GDP
1980	-98.14
1981	-93.872
1982	41.415
1983	40.638
1984	38.659
1985	37.329
1986	20.988
1987	26.268
1988	19.322
1989	21.019
1990	18.511
1991	14.145
1992	23.146
1993	19.717
1994	29.001
1995	24.935
1996	25.31
1997	22.768
1998	22.609
1999	28.364
2000	21.58
2001	21.415
2002	22.56
2003	18.148
2004	22.723
2005	32.28
2006	29.812
2007	36.847
2008	34.821
2009	29.16
2010	35.22
2011	31.221
2012	24.6
2013	26.759
2014	27.922
2015	35.572
2016	34.748
2017	32.014
2018	27.858
2019	29.796
2020	29.88
2021	29.85
2022	29.914
2023	30.339
2024	30.273