Year	constant 2015 US$
1990	1941.2978988177856
1991	1796.458059754684
1992	1626.7780981898848
1993	1794.385930614208
1994	1970.31478818775
1995	2075.4624806027123
1996	2089.25519760749
1997	2116.534922526758
1998	2181.0629844510686
1999	2264.8372906746763
2000	2352.1268321267335
2001	2105.6532711123364
2002	2331.8079627583966
2003	2433.453996161442
2004	2624.245171282325
2005	2827.7364433602706
2006	2949.205241556247
2007	3191.8731712720423
2008	3364.102839125601
2009	3274.026573458308
2010	3419.441570186521
2011	3251.048666477471
2012	3302.9422876106187
2013	3376.84814058769
2014	3459.9817559983953
2015	3622.9659761055477
2016	3775.5650956862673
2017	3869.909565864277
2018	4033.5614002085467
2019	4213.181310672733
2020	4098.087921900929
2021	4505.847766459774
2022	4691.620120845869
2023	4801.490497597119