Year	current US$
1996	17249999.729916498
1997	34899999.9668449
1998	59430000.083521
1999	75459999.2223084
2000	92019998.3716011
2001	73750000.4563481
2002	94269998.5429645
2003	178679995.989427
2004	102879999.812692
2005	91880002.2751093
2006	80439999.6828288
2007	104480002.235621
2008	136019998.520613
2009	116579999.739304
2010	80780000.5506724
2011	80010001.6463548
2012	52260001.5290082
2013	7829999.95164573
2014	8319999.927654861
2015	6390000.03226101
2016	9349999.5470047
2017	14370000.308379501
2018	9100000.03501773
2019	6989999.91640449
2020	4000000
2021	7010000.01467764
2022	4289999.995380644