Year	current US$
1985	850.9654836003053
1987	825.5468795026338
1988	820.5767723205461
1989	785.2944654096273
1990	783.6958542462588
1991	735.7303869334186
1992	767.1062358630066
1993	762.4751840627525
1994	788.6244733083583
1995	790.5161067088404
1996	766.3156969674508
1997	752.7494466808628
1998	740.0389531179962
1999	745.2067821712282
2000	742.8656971543118
2001	747.779122941073
2002	749.0816325358688
2003	771.3742316449662
2004	813.8979435752465
2005	852.8901882824755
2006	907.8179437825955
2007	980.0310323995764
2008	1131.6357256403755
2009	1164.251683464525
2010	1227.820853114291
2011	1322.7262508395552
2012	1418.4608581193256
2013	2102.197948302076
2014	2239.1145382120844
2015	2409.3119022428364
2016	2545.7387985090472
2017	2655.7332196018765
2018	2755.838293418142
2019	2876.0436637153634
2020	2921.738706232931
2021	3062.551482076429
2022	3278.1386958249996
2023	3606.4168960123957