Year	constant 2015 US$
2002	1875.425545225588
2003	1884.8447001002583
2004	1982.652037830594
2005	2167.8610381829417
2006	2281.2013475684184
2007	2558.3694989463584
2008	2612.3459879715747
2009	2818.326962038029
2010	2781.4457331481694
2011	2766.615744486439
2012	2921.1353137471283
2013	2994.0639304787064
2014	3080.077749764948
2015	3053.7626767519255
2016	2862.96378038047
2017	2726.3745506528503
2018	2542.0058933176365
2019	2371.064631565491
2020	2217.8707958956143
2021	2162.444230342575
2022	2171.9264559631956
2023	2106.849179915957
