Year	current US$
1990	110673432.067831
1991	111541940.754357
1992	7006245.15747917
1993	30704243.0700217
1994	27697258.4352536
1995	52522142.4283507
1996	51462602.4802266
1997	46772926.2717868
1998	37921384.2491921
1999	31398288.0920524
2000	30571283.6637547
2001	28809540.9910268
2002	28425759.9024807
2003	30683504.4015674
2004	34190882.2642774
2005	43556593.5447014
2006	55049123.3549727
2007	67350733.5025152
2008	94394485.1887626
2009	84196987.8942728
2010	114270052.499534
2011	137733643.626973
2012	143623581.121137
2013	142067983.87072
2014	135963737.681019
2015	97683985.6455908
2016	71511253.3627098
2017	78047159.644791
2018	88278179.2034435
2019	86977675.3049065
2020	75908069.2663643
2021	88894407.4096075