Year	Percent of GDP
1980	4.85
1981	44.377
1982	47.592
1983	50.658
1984	52.943
1985	46.186
1986	44.293
1987	46.325
1988	45.102
1989	44.823
1990	49.84
1991	9.509
1992	7.438
1993	18.881
1994	25.603
1995	25.746
1996	18.064
1997	16.659
1998	19.743
1999	19.735
2000	30.796
2001	34.989
2002	35.264
2003	33.897
2004	34.197
2005	36.87
2006	35.698
2007	34.462
2008	33.374
2009	32.641
2010	31.318
2011	33.462
2012	29.824
2013	27.618
2014	27.347
2015	26.075
2016	24.986
2017	23.505
2018	22.861
2019	22.838
2020	22.784
2021	22.573
2022	22.229
2023	21.935
2024	21.579