Year	Percent of GDP (Units)
1985	42.369
1986	33.841
1987	42.075
1988	44.251
1989	42.510
1990	43.965
1991	44.895
1992	35.465
1993	36.425
1994	34.289
1995	35.535
1996	36.245
1997	33.897
1998	34.854
1999	32.659
2000	33.119
2001	32.076
2002	32.865
2003	36.006
2004	36.583
2005	37.267
2006	34.661
2007	35.822
2008	33.964
2009	34.535
2010	32.022
2011	35.645
2012	36.832
2013	33.604
2014	35.579
2015	32.690
2016	28.418
2017	28.698
2018	30.072
2019	30.037
2020	31.243
2021	32.285
2022	32.633
2023	33.374
2024	34.375
2025	32.314
2026	32.005
2027	30.940
2028	30.083
2029	28.838