Year	current US$
1984	372867132.86713284
1985	362610722.6107226
1986	336224987.5
1987	335624987.5
1988	408575012.5
1989	483800000
1990	487500000
1991	314316659.7222222
1992	627952433.9452903
1993	764996711.8187385
1994	773426124.188629
1995	836744255.2388144
1996	1064684048.3523862
1997	795638991.1383777
1998	933614580.5768722
1999	1097558435.916003
2000	1508343772.5681906
2001	1771127105.6661563
2002	2068787044.4098463
2003	2591005963.898666
2004	3220867804.4152856
2005	3853672285.643731
2006	4364190439.642053
2007	5867640022.668226
2008	6717539664.410359
2009	6004538203.11457
2010	5792187274.96813
2011	6700234587.48787
2012	5860879346.605312
2013	5999382677.067947
2014	6243003602.578688
2015	5070977347.417925
2016	5436220794.651308
2017	6070375896.832654
2018	6856194783.871238
2019	6926959712.722434
2020	5636282433.50207
2021	8016544325.734158
2022	9033376424.818645
2023	10320399810.224054