Year	Percent of GDP (Units)
1980	26.140
1981	16.424
1982	14.357
1983	4.943
1984	6.009
1985	4.937
1986	13.710
1987	13.994
1988	4.458
1989	3.917
1990	3.609
1991	7.876
1992	9.467
1993	7.897
1994	7.781
1995	9.105
1996	12.105
1997	9.455
1998	9.363
1999	11.252
2000	15.294
2001	15.903
2002	18.627
2003	21.020
2004	22.665
2005	23.007
2006	19.359
2007	21.203
2008	16.236
2009	17.122
2010	16.146
2011	15.117
2012	21.449
2013	23.530
2014	18.699
2015	18.676
2016	22.121
2017	19.868
2018	19.157
2019	19.398
2020	17.859
2021	17.459
2022	18.359
2023	20.470
2024	21.298
2025	22.038
2026	24.667
2027	27.698
2028	26.227
2029	25.636