Year	U.S. dollars (Billions)
1990	1.793
1991	2.055
1992	2.164
1993	1.847
1994	1.945
1995	2.092
1996	2.132
1997	2.072
1998	2.027
1999	1.986
2000	1.780
2001	1.746
2002	1.777
2003	2.051
2004	2.362
2005	2.936
2006	4.009
2007	4.328
2008	5.138
2009	4.725
2010	5.637
2011	6.782
2012	6.721
2013	7.331
2014	6.615
2015	6.182
2016	6.414
2017	6.826
2018	7.472
2019	7.894
2020	8.464
2021	9.126
2022	9.799
2023	10.543
2024	10.628
2025	11.356
2026	11.941
2027	12.530
2028	13.051
2029	13.182