Year current US$ 2006 10290000.095963499 2007 8970000.12174249 2008 10540000.0363588 2009 6440000.131726271 2010 8430000.05930662 2011 8239999.912679201 2012 6350000.03129244 2013 8519999.8319149 2014 6909999.85672534 2015 4458480.3506732 2016 5503315.343055869 2017 5986578.6908194395 2018 9708725.36301613 2019 6718747.21907079 2020 7909060.60300767 2021 8894945.62521577 2022 6456864.885985851