Year	U.S. dollars (Billions)
2000	0.367
2001	0.477
2002	0.470
2003	0.490
2004	0.441
2005	0.462
2006	0.454
2007	0.543
2008	0.648
2009	0.727
2010	0.882
2011	1.042
2012	1.160
2013	1.396
2014	1.447
2015	1.594
2016	1.651
2017	1.616
2018	1.584
2019	2.048
2020	2.163
2021	3.622
2022	3.205
2023	2.338
2024	1.992
2025	2.140
2026	2.292
2027	2.453
2028	2.625
2029	2.809