Year	current US$
1990	480.5534710331069
1991	459.10779503980075
1992	337.42651830897773
1993	287.9816480580194
1994	262.2334667780456
1995	208.1686692392977
1996	172.91649916081673
1997	150.64699007144208
1998	214.42933169437944
1999	175.55551808111065
2000	137.18190923441975
2001	168.63856960876205
2002	186.6633984743842
2003	233.09406162153562
2004	305.26607780194337
2005	333.7139027497471
2006	401.0268698335813
2007	517.4349226220346
2008	704.650178811389
2009	666.7213442062466
2010	740.2761348993513
2011	837.8815557576872
2012	959.3602849984253
2013	1038.3207894017492
2014	1094.4300501646642
2015	970.3625471884525
2016	801.3938399597796
2017	844.365216932115
2018	850.6669271931677
2019	889.0233407131175
2020	852.3302020649269
2021	916.6919670619218
2022	1076.4346911472917
2023	1188.993038117725