Year	constant 2015 US$
1990	810.0937832410448
1991	759.2133803517368
1992	716.0256666219767
1993	679.4585802360883
1994	585.1370086607602
1995	518.6166639906029
1996	548.1150389574959
1997	610.2321737529794
1998	694.1925784396991
1999	760.7480131151287
2000	823.4096691376053
2001	970.8791454470015
2002	1084.9509097551863
2003	1171.1537202702698
2004	1290.02161226916
2005	1489.0414968956925
2006	1688.521621555167
2007	1923.065407281194
2008	2244.867042916217
2009	2250.3987953245733
2010	2468.4971136958798
2011	2528.9139648991068
2012	2803.5649797617725
2013	3103.3893505847013
2014	3234.4535390185765
2015	3155.2260426625744
2016	3051.893297419008
2017	3198.304532232344
2018	3254.0815406723677
2019	3425.8624239084
2020	3399.311006508862
2021	3590.737918556654
2022	3610.322003053626
2023	3917.5625588293638