Year current US$ 2005 660000.026226044 2006 870000.004768372 2007 1539999.96185303 2008 639999.985694885 2009 1169999.95708466 2010 850000.023841858 2011 750000 2012 1143291.35417938 2013 1265241.50371552 2014 1118775.1293182399 2015 1280334.94949341 2016 1196222.9013443 2017 1058699.96547699 2018 263250.887393951 2019 960156.202316284 2022 27258.99964571