Year	constant 2015 US$
1993	1816.4509956738307
1994	1798.4229910941824
1995	1885.991459869616
1996	1920.7113440929218
1997	1921.0218568656255
1998	1908.767355734599
1999	2103.991446886749
2000	2214.896784836831
2001	2152.698255034176
2002	2136.4947201417835
2003	2120.5109718389745
2004	2202.75121105438
2005	2337.305977257591
2006	2408.996941288478
2007	2488.5671996198494
2008	2539.931002636958
2009	2759.3171016788933
2010	2545.8716929928983
2011	2868.502039893115
2012	2863.341382203401
2013	2795.8642303576244
2014	3035.2696818204918
2015	2904.4965295664924
2016	2676.1540203251698
2017	2787.05834985254
2018	2907.2169131191517
2019	3027.8787026288155
2020	2649.0078570472547
2021	2620.6164782423366
2022	2641.186491684889
