Year current US$ 2006 8879999.957978722 2007 10160000.035539275 2008 11130000.036209827 2009 10410000.130534172 2010 11949999.958276747 2011 8649999.946355818 2012 7339999.981224534 2013 10039999.982342117 2014 9050000.004470348 2015 6785402.089357378 2016 7123407.953418789 2017 8227313.7611337 2018 9099543.233402073 2019 8722220.09673715 2020 8112476.108130069 2021 9882916.649803521 2022 10750836.394727228