Year	constant 2015 US$
1991	1429.3596670248517
1992	1306.1657383908255
1993	1365.3857922134375
1994	1324.2997140136977
1995	1414.0817634873765
1996	1329.572719460482
1997	1290.4791592206232
1998	1282.780020945035
1999	1442.2222151674925
2000	1431.185927225363
2001	1443.3064199374805
2002	1120.672585903539
2003	1355.070240854282
2004	1442.3630466001975
2005	1648.705009893099
2006	1550.6885144795308
2007	1433.9184537737372
2008	1729.6142159560247
2009	1957.7550324654653
2010	2054.409259316269
2011	1742.3743471994173
2012	1924.083473202148
2013	1982.201662661652
2014	2068.2334063224794
2015	2345.862181207892
2016	1936.5901823160273
2017	2774.30145912682
2018	3409.556622542588
2019	3218.288800943827
2020	3552.0663759474032
2021	3546.097577724568
2022	3570.5115465869058
