Year	current US$
1993	6789999.96185303
1994	9119999.88555908
1995	14130000.1144409
1996	13420000.076293899
1997	8810000.4196167
1998	5389999.8664856
1999	7440000.05722046
2000	6409999.84741211
2001	4550000.19073486
2002	13460000.038146999
2003	21549999.237060502
2004	18629999.1607666
2005	18829999.9237061
2006	17899999.6185303
2007	10180000.3051758
2008	8899999.61853027
2009	9630000.11444092
2010	9630000.11444092
2011	8069999.694824221
2012	3200000.04768372
2013	39999.9991059303
2014	140000.000596046
2015	1370000.00476837
2016	1990000.0095367401
2017	519999.980926514
2018	560000.002384186
2019	589999.973773956
2020	209999.993443489