Year current US$ 1999 39999.9991059303 2001 119999.997317791 2003 109999.999403954 2004 170000.00178813902 2005 2690000.05722046 2006 4039999.96185303 2007 4530000.20980835 2008 3019999.98092651 2009 970000.028610229 2010 2269999.98092651 2011 2420000.07629395 2012 3410000.08583069 2013 3259999.99046326 2014 3019999.98092651 2015 2160000.08583069 2016 3420000.07629395 2017 2859999.89509583 2018 2789999.96185303 2019 3940000.05722046 2020 3970000.02861023 2021 3819999.9332428 2022 4429999.82833862