Year current US$ 2005 2770000.016316772 2006 4300000.060349703 2007 4570000.030100347 2008 7059999.961405989 2009 7029999.885708095 2010 5589999.994263049 2011 7000000.009313224 2012 5649999.890476467 2013 5619999.933987854 2014 5049999.892711638 2015 4570000.035688285 2016 5089999.992400411 2017 6450000.012293454 2018 7729999.940842394 2019 8829999.933019282