Year	constant 2015 US$
1991	2791.4985731557967
1992	2391.177643241863
1993	1984.164963518994
1994	1661.957467124058
1995	1668.3454592901091
1996	1541.1065563295874
1997	1524.5262283888235
1998	1557.7427059576712
1999	1654.3458896068294
2000	1693.2034768038477
2001	1714.0704116294808
2002	1650.3002734075997
2003	1627.6001171103635
2004	1714.8380510369077
2005	1801.3348946953731
2006	1921.161241267266
2007	2102.1022703137323
2008	2312.9242367618385
2009	2377.1252834985685
2010	2363.9957718379833
2011	2477.4350930572236
2012	2678.627232653322
2013	2825.00594466958
2014	2928.225185074809
2015	2905.338320453239
2016	2938.384557305776
2017	2955.5856196614386
2018	2955.4698725352737
2019	2950.7518933209585
2020	2661.8484269695823
2021	2792.807280146711
2022	2832.5752510950665