Year	constant 2015 US$
1995	706.8856459814452
1996	766.0722076554765
1997	797.501330370013
1998	804.1165205126917
1999	853.2784179278697
2000	919.948284898887
2001	965.5763453687025
2002	1029.5861575503259
2003	1082.2350638992255
2004	1153.9472853810857
2005	1246.9280098360305
2006	1338.053703108477
2007	1474.1635704117123
2008	1576.2085628664445
2009	1685.7928313833254
2010	1838.1844855715801
2011	2047.5695562331152
2012	2202.433743944157
2013	2356.0146411302676
2014	2527.1371319971654
2015	2706.209380301575
2016	2903.4375438529955
2017	3128.9690843358608
2018	3350.1026242181406
2019	3540.025363920504
2020	3430.356829153681
2021	3787.55624631745
2022	3915.2579268181858
