Year	constant 2015 US$
1991	1376.7010289709167
1992	1299.2370697151327
1993	1328.7845734961136
1994	1391.6355800811698
1995	1381.6072734633328
1996	1448.2789365724761
1997	1483.6335500762195
1998	1400.6980971002222
1999	1423.958094036191
2000	1509.9975645826787
2001	1348.4919817164146
2002	1381.0654983016912
2003	1773.7852340572801
2004	1736.7825519736714
2005	1618.2828765220747
2006	1549.5446091879828
2007	1687.8516771378875
2008	1938.435724531468
2009	2034.9470492416976
2010	1857.4324146401718
2011	1786.223706843548
2012	2049.0764934317504
2013	1965.3218277901349
2014	2041.3693612555921
2015	2360.2891622432703
2016	2378.9510683463877
2017	2405.3780175823395
2018	2361.525445089954
2019	2812.116601206682
2020	2761.588154868627
2021	2981.9402616875077
2022	2984.4991200382265