Year	Percent of GDP (Units)
1980	29.581
1981	35.271
1982	28.176
1983	14.187
1984	11.383
1985	7.459
1986	11.083
1987	10.082
1988	12.721
1989	9.094
1990	11.763
1991	12.140
1992	11.793
1993	12.286
1994	13.472
1995	16.755
1996	13.199
1997	15.092
1998	14.387
1999	18.227
2000	16.008
2001	17.753
2002	14.834
2003	15.164
2004	15.219
2005	12.086
2006	12.873
2007	16.377
2008	13.740
2009	14.866
2010	15.608
2011	16.462
2012	15.276
2013	18.862
2014	19.257
2015	20.732
2016	20.272
2017	23.960
2018	26.392
2019	25.630
2020	25.634
2021	28.851
2022	36.526
2023	32.174
2024	33.436
2025	32.192
2026	32.848
2027	33.010
2028	33.486
2029	33.824