Year	constant 2015 US$
1990	1878.863926311191
1991	1876.0120449513838
1992	1862.1297699814984
1993	1807.935034676533
1994	1742.5725066272753
1995	1922.8927953492278
1996	1918.9448978913558
1997	1963.8999115029712
1998	1871.4984677142672
1999	1846.804853737869
2000	2042.791968166283
2001	2206.4565632251874
2002	2054.984280571648
2003	2148.286882393968
2004	2245.0010543520416
2005	2641.262738136737
2006	2591.6723021007324
2007	2645.430674849989
2008	2414.61868995388
2009	2425.8108033926383
2010	2322.9388177329006
2011	2178.943529149488
2012	2250.7325611436004
2013	2459.305742976021
2014	2518.845451676834
2015	2601.5742540691717
2016	2615.370209372462
2017	2637.650842596768
2018	2866.13430429264
2019	2685.9169287360755
2020	2656.1433118690434
2021	2847.283828715232