Year current US$ 1992 9999.99977648258 1993 959999.978542328 1994 750000 1995 589999.973773956 1996 959999.978542328 1997 949999.988079071 1998 839999.973773956 1999 990000.009536743 2000 649999.976158142 2001 759999.990463257 2002 1370000.00476837 2003 589999.973773956 2004 1450000.04768372 2005 550000.011920929 2006 129999.995231628 2007 50000.0007450581 2008 1000000 2009 1840000.0333786 2010 1230000.01907349 2011 839999.973773956 2012 2589999.91416931 2013 2410000.08583069 2014 2039999.96185303 2015 2299999.95231628 2016 1330000.04291534 2017 2869999.8855590797 2018 2990000.00953674 2019 6309999.94277954 2020 4219999.79019165 2021 3369999.8855590797 2022 1929999.94754791