Year current US$ 1992 19999.9995529652 1995 70000.0002980232 1998 250000 1999 119999.997317791 2000 289999.99165535 2001 899999.976158142 2002 839999.973773956 2003 970000.028610229 2004 2529999.97138977 2005 2519999.98092651 2006 4980000.01907349 2007 7389999.8664856 2008 8739999.77111816 2009 8189999.580383301 2010 9270000.45776367 2011 2619999.8855590797 2012 1620000.00476837 2013 1289999.96185303 2014 1519999.98092651 2015 50000.0007450581 2016 39999.9991059303 2017 50000.0007450581 2018 59999.9986588955 2019 59999.9986588955 2020 59999.9986588955 2021 250000 2022 400000.00596046395