Year	U.S. dollars (Billions)
2000	0.966
2001	1.150
2002	1.269
2003	1.681
2004	2.073
2005	2.261
2006	2.724
2007	3.686
2008	4.564
2009	4.171
2010	4.146
2011	4.544
2012	4.090
2013	4.466
2014	4.595
2015	4.055
2016	4.376
2017	4.855
2018	5.509
2019	5.543
2020	4.777
2021	5.865
2022	6.243
2023	7.406
2024	8.011
2025	8.467
2026	8.916
2027	9.367
2028	9.841
2029	10.330