Year current US$ 1984 109999.999403954 1985 469999.998807907 1986 790000.021457672 1987 879999.995231628 1988 -129999.995231628 1989 899999.976158142 1990 839999.973773956 1991 -319999.99284744303 1992 -270000.010728836 1993 -379999.99523162795 1994 -219999.998807907 1995 330000.013113022 1996 239999.994635582 1997 239999.994635582 1998 560000.002384186 1999 -270000.010728836 2000 140000.000596046 2001 -39999.9991059303 2002 -150000.005960464 2003 -310000.002384186 2004 -419999.986886978 2005 -460000.00834465 2006 -460000.00834465 2007 -370000.00476837205 2008 -370000.00476837205 2009 -370000.00476837205 2010 -360000.01430511504 2011 19999.9995529652 2012 2390000.10490417 2013 479999.989271164 2014 1120000.00476837 2015 1186928.98750305 2016 3520729.30335999 2017 4578142.64297485 2018 6884049.89242554 2019 8154250.1449585 2020 5356414.3180847205 2021 1842000.00762939 2022 -1155760.04981995