Year	constant 2015 US$
2000	980.8619788908874
2001	1004.3824089895254
2002	1028.299617488396
2003	1043.073448387115
2004	1067.4150624289084
2005	1071.067935840772
2006	1092.307536056012
2007	1168.4241018677544
2008	1205.5993497573752
2009	1229.6574520531794
2010	1257.8496113050614
2011	1264.724131077295
2012	1303.3956588705416
2013	1353.9740091709714
2014	1428.0741631174171
2015	1491.140061189758
2016	1541.7915652654299
2017	1605.4510371662745
2018	1553.6254445668003
2019	1507.431736411643
2020	1502.4013950022722
2021	1485.9197338767046
2022	1419.5288503985335