Year	current US$
1994	-470025257.560248
1995	-198014512.845923
1996	-123806271.906224
1997	-15588658.3199924
1998	184136801.312469
1999	269339923.393573
2000	140416260.114386
2001	89934910.0567117
2002	31249089.1441504
2003	82432882.175395
2004	282120483.432513
2005	413243804.384969
2006	499786122.439073
2007	550623967.633121
2008	758884678.66793
2009	592284534.784707
2010	689201482.513562
2011	1087797035.79969
2012	1187302941.03027
2013	1082667528.70778
2014	1494536197.17606
2015	1915344021.2496
2016	1868430300.58048
2017	1935932583.1722
2018	1789536562.26495
2019	1898663379.00787
2020	1819632893.34939
2021	1628956156.61333