Year	current US$
1980	10900000
1981	12000000
1982	13200000
1983	13000000
1984	15400000
1985	15000000
1986	16000000
1987	22300000
1988	29600000
1989	40200000
1990	31500000
1991	9200000
1992	18900000
1993	73200000
1994	78600000
1995	93900000
1996	122800000
1997	-3220000
1998	32630000
1999	281600000
2000	440300000
2001	509400000
2002	549180000
2003	720922115.774249
2004	1094524922.14689
2005	1256252082.2456305
2006	1623045575.352937
2007	2082535789.35781
2008	2677915629.3623605
2009	2588571507.476861
2010	2533319513.417027
2011	2775015184.7829885
2012	2383311211.74161
2013	2242401829.1593494
2014	2454836020.8384995
2015	2206245781.8717613
2016	2610452793.587496
2017	3194976027.08517
2018	3574339199.974443
2019	3742722415.3719816
2020	2468262426.605398
2021	4053459664.250363
2022	4962202703.949285
2023	7141654838.22303
