Year current US$ 2006 190000.0069290396 2007 249999.9925494193 2008 230000.00789761514 2009 290000.0065565107 2010 600000.023841858 2011 329999.99821185996 2012 280000.008642673 2013 390000.000596046 2014 210000.0008940692 2015 245013.8702988627 2016 416241.064667702 2017 609390.154480934 2018 975766.5395736699 2019 1546653.706580398 2020 971267.5586342812 2021 1141666.6861623528 2022 1705253.2061934476