Year	constant 2015 US$
1995	176519212.39903527
1996	179930603.66430235
1997	182229258.5966767
1998	195462706.11484474
1999	202288731.40110937
2000	200607913.21149483
2001	220341941.82713628
2002	260207505.8453112
2003	263742580.70886403
2004	264547010.51108065
2005	297011737.1385267
2006	302171053.2818079
2007	244346080.1359151
2008	229851475.96691152
2009	224467657.11416224
2010	215790201.85801116
2011	215683545.78651395
2012	215289355.17623678
2013	230524531.33319494
2014	229709577.87087184
2015	228510455.74900085
2016	231941615.58740973
2017	251061570.28062007
2018	263446345.79527518
2019	242184459.16598475
2020	258047732.63430655
2021	256172532.65307504
2022	264115919.78795362
2023	266215041.2299845