Year current US$ 1990 -673347071.447338 1991 -592331709.822977 1992 -480394554.323617 1993 -254163260.226013 1994 -168798730.364864 1995 -507757959.083072 1996 -93347100.2155436 1997 162493379.771653 1998 -165854959.284378 1999 42029300.5835832 2000 -115249849.00284 2001 -101011173.558294 2002 -71056917.9265666 2003 -422207816.340662 2004 209379887.383733 2005 337047642.392363 2006 44655587.7757696 2007 -469952213.162314 2008 35769757.6138246 2009 336209142.781463 2010 364555166.072473 2011 -904927033.277676 2012 -1617358812.84366 2013 -317170274.526596 2014 1054016392.64512 2015 -1317677964.19313 2016 760531586.606163 2017 1223699152.99763 2018 781891064.07161 2019 758148228.313375 2020 -16484038.1231537 2021 -1184865032.0523