Year current US$ 2005 0 2006 0 2007 0 2008 89540435.95 2009 140695166.3 2010 378206657.0181 2011 179116561.3764 2012 219416087.481463 2013 347165291.814146 2014 253367821.603343 2015 348624717.302647 2016 627710802.377386 2017 822731630.245558 2018 803546453.786557 2019 828571904.111179 2020 788917115.24523 2021 320000000 2022 370000000 2023 300000000