Year	constant 2015 US$
1990	1729198662.0654814
1991	1724150131.0056505
1992	1282672231.4763703
1993	986807591.5198625
1994	630764189.6207927
1995	474950037.6223654
1996	497287306.79460144
1997	792905516.2571384
1998	855727113.0744902
1999	806786601.3158772
2000	839864838.3083792
2001	916068378.3011857
2002	816431394.3715414
2003	962115062.8479888
2004	983291891.4555502
2005	817803953.9490932
2006	702120782.0759017
2007	746653713.3205312
2008	905019700.1205084
2009	820802431.9809103
2010	913789736.3602356
2011	964222310.5931034
2012	698369640.0744531
2013	1030274704.9918193
2014	1000843119.714825
2015	938335742.9142715
2016	993195876.1256683
2017	1059768107.924376
2018	1113493009.7706356
2019	1200529934.3700826
2020	1124444813.669032
2021	1195392600.7732897
2022	1388034855.5198407
2023	1415903038.3213205