Year current US$ 2005 660000.026226044 2006 560000.002384186 2007 850000.023841858 2008 2359999.89509583 2009 5570000.17166138 2010 3890000.10490417 2011 2049999.9523162802 2012 2630000.1144409203 2013 2950000.04768372 2014 2690000.05722046 2015 2799999.95231628 2016 2769999.98092651 2017 3210000.03814697 2018 3509999.99046326 2019 3650000.09536743 2020 3329999.92370605 2021 4679999.82833862 2022 2390000.10490417