Year current US$ 2005 0 2006 0 2007 129999.99709427402 2008 69999.9984353781 2009 199999.995529652 2010 160000.00201165702 2011 260000.003501773 2012 109999.999403954 2013 329999.998211861 2014 59999.9986588955 2015 1069999.97235835 2016 879999.980330467 2017 1019999.97533858 2018 3589999.95701015 2019 5379999.92258847 2020 7480000.13642013 2021 7810000.1309067 2022 13459999.788552523