Year current US$ 1996 2529999.97138977 1997 1519999.98092651 1998 949999.988079071 1999 449999.988079071 2000 7969999.79019165 2001 4760000.228881841 2002 4139999.8664856004 2003 3990000.00953674 2004 2180000.0667572 2005 1000000 2006 819999.992847443 2007 2029999.97138977 2008 1679999.94754791 2009 1289999.96185303 2010 500000 2011 560000.002384186 2012 1865000.0095367401 2013 1451218.96266937 2015 385376.185178757 2016 1346146.941185 2017 1364510.05935669 2018 585960.268974304 2019 829627.931118011 2020 962572.157382965 2021 931710.004806519 2022 533299.98254776