Year current US$ 2008 1330000.04291534 2009 1309999.9427795399 2010 1710000.03814697 2011 2410000.08583069 2012 2250000 2013 2059999.94277954 2014 1529999.97138977 2015 1730000.01907349 2016 1360000.01430511 2017 1399999.97615814 2018 1610000.01430511 2019 1720000.02861023 2020 1100000.02384186 2021 1470000.02861023 2022 949999.988079071