Year current US$ 2005 1379999.99523163 2006 1059999.9427795399 2007 2509999.99046326 2008 540000.021457672 2009 2259999.99046326 2010 2170000.07629395 2011 2069999.9332428002 2012 1620000.00476837 2013 1419999.95708466 2014 1220000.02861023 2015 1080000.04291534 2016 850000.023841858 2017 1710000.03814697 2018 1190000.0572204601 2019 1830000.04291534 2020 2329999.92370605 2021 1909999.9666214 2022 1730000.01907349