Year	Percent of GDP (Units)
1985	10.256
1986	11.210
1987	13.962
1988	11.886
1989	16.148
1990	10.887
1991	14.197
1992	14.241
1993	14.054
1994	15.943
1995	16.790
1996	18.086
1997	17.383
1998	17.143
1999	18.107
2000	16.799
2001	16.102
2002	15.034
2003	15.809
2004	16.063
2005	15.327
2006	36.224
2007	17.824
2008	14.963
2009	17.359
2010	17.597
2011	18.397
2012	19.905
2013	21.713
2014	19.190
2015	18.269
2016	18.550
2017	19.343
2018	19.757
2019	20.038
2020	19.358
2021	20.416
2022	21.686
2023	22.222
2024	21.763
2025	22.684
2026	23.254
2027	23.777
2028	24.010
2029	24.184