Year	U.S. dollars (Billions)
2002	2.324
2003	2.525
2004	3.507
2005	2.876
2006	2.215
2007	3.999
2008	3.272
2009	5.947
2010	10.992
2011	14.879
2012	16.772
2013	20.272
2014	17.956
2015	10.515
2016	11.954
2017	15.501
2018	18.224
2019	18.572
2020	3.635
2021	2.683
2022	2.782
2023	14.210
2024	17.766
2025	21.483
2026	22.453
2027	22.690
2028	23.034
2029	23.443