Year	Percent of GDP (Units)
1980	8.602
1981	9.286
1982	12.264
1983	8.729
1984	7.591
1985	7.529
1986	10.311
1987	10.423
1988	11.212
1989	10.601
1990	11.786
1991	12.868
1992	12.023
1993	11.633
1994	11.091
1995	11.874
1996	11.705
1997	18.474
1998	19.131
1999	17.109
2000	16.258
2001	15.999
2002	13.589
2003	14.157
2004	15.676
2005	16.322
2006	18.435
2007	18.611
2008	22.296
2009	18.493
2010	18.443
2011	19.993
2012	18.671
2013	19.074
2014	17.934
2015	19.139
2016	18.213
2017	15.935
2018	14.398
2019	15.358
2020	15.627
2021	15.778
2022	14.936
2023	13.331
2024	13.926
2025	14.392
2026	14.759
2027	14.776
2028	14.886
2029	15.064