Year	Percent of GDP (Units)
1980	15.676
1981	13.379
1982	12.436
1983	12.967
1984	10.224
1985	9.580
1986	8.089
1987	19.021
1988	18.990
1989	19.070
1990	21.165
1991	33.037
1992	31.599
1993	20.791
1994	21.547
1995	20.622
1996	16.638
1997	16.512
1998	17.506
1999	17.974
2000	17.486
2001	17.334
2002	20.589
2003	21.601
2004	23.319
2005	24.297
2006	24.655
2007	29.166
2008	29.008
2009	19.664
2010	19.421
2011	14.627
2012	15.157
2013	14.446
2014	15.038
2015	13.150
2016	11.802
2017	11.313
2018	16.443
2019	16.627
2020	13.076
2021	10.816
2022	13.536
2023	11.679
2024	5.408
2025	8.868
2026	9.350
2027	10.195
2028	10.426
2029	10.170