Year	Percent of GDP (Units)
1980	17.704
1981	15.105
1982	12.419
1983	11.463
1984	14.437
1985	11.788
1986	5.410
1987	14.150
1988	2.680
1989	9.089
1990	32.396
1991	37.694
1992	42.412
1993	45.441
1994	47.822
1995	52.231
1996	75.766
1997	39.511
1998	35.624
1999	36.319
2000	38.005
2001	17.787
2002	26.171
2003	26.200
2004	33.747
2005	41.322
2006	43.622
2007	40.336
2008	37.776
2009	26.529
2010	34.689
2011	38.073
2012	37.416
2013	32.143
2014	26.873
2015	28.374
2016	24.347
2017	23.517
2018	28.659
2019	27.045
2020	26.942
2021	36.128
2022	33.720
2023	26.234
2024	27.398
2025	27.330
2026	27.407
2027	27.479
2028	27.861
2029	28.125