Year current US$ 2005 989999.9964982264 2006 1569999.9798089261 2007 -1859999.9565631142 2008 3359999.958425762 2009 1349999.9754130843 2010 1150000.0283122058 2011 2009999.9681115143 2012 2750000.013038514 2013 4039999.9674409595 2014 3120000.0159442383 2015 4640000.011771917 2016 12580000.35583972 2017 18940000.0013411 2018 16960000.379011028 2019 11730000.052601114 2020 12399999.979883434 2021 19219999.77156519 2022 14339999.979361882