Year	U.S. dollars (Billions)
1980	2.598
1981	2.692
1982	3.031
1983	3.373
1984	3.603
1985	3.923
1986	4.241
1987	4.669
1988	4.855
1989	5.473
1990	5.218
1991	5.128
1992	5.125
1993	5.097
1994	5.372
1995	5.653
1996	5.950
1997	6.332
1998	6.833
1999	7.684
2000	8.076
2001	8.318
2002	8.881
2003	8.870
2004	9.055
2005	9.836
2006	10.167
2007	10.618
2008	10.526
2009	9.982
2010	10.096
2011	10.070
2012	10.720
2013	10.395
2014	10.998
2015	11.673
2016	11.751
2017	12.254
2018	12.654
2019	13.059
2020	9.755
2021	11.528
2022	12.897
2023	13.816
2024	14.390
2025	14.926
2026	15.443
2027	15.959
2028	16.522
2029	17.102