Year	U.S. dollars (Billions)
1990	2.568
1991	2.841
1992	3.296
1993	3.156
1994	3.537
1995	3.948
1996	3.954
1997	4.110
1998	3.832
1999	3.824
2000	3.941
2001	3.577
2002	3.396
2003	4.974
2004	6.673
2005	7.324
2006	7.711
2007	8.730
2008	8.496
2009	8.915
2010	11.281
2011	12.423
2012	13.016
2013	12.168
2014	12.434
2015	11.450
2016	10.719
2017	12.883
2018	13.676
2019	12.539
2020	10.583
2021	12.443
2022	12.602
2023	12.327
2024	12.765
2025	13.486
2026	14.245
2027	14.990
2028	15.745
2029	16.538