Year	current US$
1991	2720000.0379234524
1992	22369999.95075166
1993	100910000.0243634
1994	171109998.99730092
1995	113189999.59155922
1996	147020000.31620267
1997	58930000.59761106
1998	88219999.90008779
1999	96890001.37709078
2000	151439997.76802984
2001	134379996.3630735
2002	200290001.83194885
2003	143950002.71126625
2004	161459998.13824886
2005	150499997.8523701
2006	156909995.36588782
2007	252240002.87055966
2008	226470001.7478317
2009	274769994.5010245
2010	239899994.5688993
2011	281720002.30289984
2012	150299998.5497446
2013	168289996.35204667
2014	178079996.73858282
2015	214709996.66862214
2016	254360002.78592145
2017	246469996.53801358
2018	186259999.65704978
2019	150920000.7580221
2020	193110001.46530563
2021	242610000.7705391
2022	379540011.607111