Year current US$ 2008 1600000.02384186 2009 1690000.0572204601 2010 1509999.9904632599 2011 1490000.0095367401 2012 829999.983310699 2013 1070000.05245209 2014 3210000.03814697 2015 3660000.08583069 2016 3470000.02861023 2017 4809999.94277954 2018 4579999.92370605 2019 5650000.09536743 2020 6230000.01907349 2021 7440000.05722046 2022 5789999.96185303