Year current US$ 1990 289999.99165535 1991 540000.021457672 1992 200000.00298023198 1993 769999.980926514 1994 1320000.05245209 1995 990000.009536743 1996 800000.011920929 1997 2500000 1998 879999.995231628 1999 1070000.05245209 2000 829999.983310699 2001 1370000.00476837 2002 1279999.97138977 2003 1309999.9427795399 2004 1720000.02861023 2005 1850000.02384186 2006 1559999.9427795399 2007 1820000.05245209 2008 1850000.02384186 2009 1690000.0572204601 2010 1429999.94754791 2011 1100000.02384186 2012 1019999.98092651 2013 1120000.00476837 2014 2250000 2015 1419999.95708466 2016 1720000.02861023 2017 1320000.05245209 2018 1269999.98092651 2019 1049999.95231628 2020 750000 2021 1700000.04768372 2022 1000000