Year current US$ 2005 0 2006 0 2007 0 2008 820000.009611249 2009 649999.996647239 2010 250000 2011 380000.002682209 2012 339999.999850988 2013 409999.998286366 2014 319999.994710088 2015 699999.988079071 2016 729999.987408519 2017 750000.011175871 2018 1539999.98420477 2019 1169999.97384846 2020 1009999.9886006099 2021 2760000.04075468 2022 1460000.004619361