Year	constant 2015 US$
1995	1366409043824.322
1996	1519243648591.1038
1997	1651911414413.0947
1998	1774174800014.263
1999	1908521962848.3765
2000	2065182477656.6938
2001	2280149738736.157
2002	2537777018811.9
2003	2819571695217.5083
2004	3104868340355.901
2005	3482120055736.281
2006	3961775369561.265
2007	4543551398635.448
2008	4817480634151.784
2009	5416826810433.361
2010	5863051294794.133
2011	6128692323788.5
2012	6753370166576.912
2013	7141959605746.011
2014	7737405324569.453
2015	8296709954530.95
2016	8908244389134.875
2017	9533482058161.127
2018	9924895308756.205
2019	10344683649596.756
2020	10366408281955.2
2021	11135776814208.293