Year	Percent of GDP (Units)
1980	33.361
1981	26.383
1982	20.834
1983	24.845
1984	21.594
1985	24.320
1986	23.582
1987	22.013
1988	22.333
1989	22.710
1990	19.457
1991	18.883
1992	17.050
1993	16.048
1994	16.481
1995	16.248
1996	15.555
1997	14.980
1998	14.879
1999	15.206
2000	14.947
2001	14.820
2002	15.843
2003	14.922
2004	14.489
2005	14.039
2006	14.462
2007	14.480
2008	16.269
2009	16.332
2010	16.260
2011	16.847
2012	13.895
2013	13.842
2014	13.682
2015	14.294
2016	14.285
2017	14.243
2018	13.242
2019	13.216
2020	14.482
2021	16.696
2022	14.926
2023	14.002
2024	13.658
2025	13.770
2026	13.862
2027	13.876
2028	13.925
2029	14.001