Year	Percent of GDP (Units)
1980	13.496
1981	14.183
1982	16.407
1983	21.251
1984	18.824
1985	19.698
1986	19.848
1987	18.381
1988	21.570
1989	24.017
1990	20.859
1991	17.321
1992	14.235
1993	13.773
1994	17.625
1995	17.389
1996	18.789
1997	17.940
1998	21.130
1999	26.809
2000	25.598
2001	22.438
2002	24.870
2003	27.041
2004	23.149
2005	22.890
2006	22.067
2007	20.521
2008	18.756
2009	17.113
2010	18.483
2011	18.228
2012	16.648
2013	17.756
2014	17.484
2015	17.326
2016	17.913
2017	17.987
2018	16.099
2019	15.353
2020	14.469
2021	13.798
2022	12.696
2023	10.763
2024	10.288
2025	10.774
2026	11.400
2027	11.421
2028	11.452
2029	11.176