Year	constant 2015 US$
1995	8524519503.343475
1996	8374825004.132885
1997	8570857210.695133
1998	8755808509.198307
1999	8854764580.769926
2000	8563694057.6296425
2001	8290578681.847584
2002	8875271355.930887
2003	9072332623.62325
2004	9369921902.304098
2005	9644559511.908817
2006	10278198105.63992
2007	10945811804.412924
2008	11048284768.674824
2009	11265819970.331972
2010	11199720184.132597
2011	11426071804.612635
2012	11253362061.98332
2013	11317538641.106749
2014	11468913366.921593
2015	11419505118.677654
2016	11544945174.063887
2017	11786745581.69414
2018	12046756321.652887
2019	12378325698.125055
2020	12812557985.236994
2021	13199470657.611668
2022	13557387771.314325
2023	13940558433.474943