Year current US$ 2009 959999.978542328 2010 1730000.01907349 2011 1120000.00476837 2012 689999.997615814 2013 7690000.05722046 2014 4329999.92370605 2015 1929999.94754791 2016 1350000.02384186 2017 2200000.04768372 2018 2660000.08583069 2019 2559999.94277954 2020 2599999.90463257 2021 3680000.0667572 2022 2910000.08583069