Year current US$ 2007 759999.990463257 2008 1669999.95708466 2009 509999.99046325695 2010 639999.985694885 2011 709999.978542328 2012 9999.99977648258 2013 680000.007152557 2014 319999.99284744303 2015 280000.001192093 2016 219999.998807907 2017 159999.99642372102 2018 600000.023841858 2019 649999.976158142 2020 970000.028610229 2021 8189999.580383301 2022 1120000.00476837