Year	U.S. dollars (Billions)
2000	1.429
2001	1.547
2002	1.758
2003	2.362
2004	2.896
2005	3.158
2006	3.456
2007	3.952
2008	4.082
2009	3.675
2010	3.446
2011	3.625
2012	3.189
2013	3.193
2014	3.267
2015	2.789
2016	2.895
2017	2.993
2018	3.217
2019	3.155
2020	2.885
2021	3.325
2022	3.376
2023	3.726
2024	3.897
2025	4.033
2026	4.160
2027	4.289
2028	4.421
2029	4.554