Year current US$ 2005 23420000.0762939 2006 26229999.5422363 2007 53520000.4577637 2008 29989999.7711182 2009 33520000.4577637 2010 38869998.9318848 2011 60299999.237060495 2012 44852756.500244096 2013 48833324.432372995 2014 42700309.753418 2015 43799369.8120117 2016 39846817.0166016 2017 35589599.609375 2018 10729725.8377075 2019 35882884.979247995 2020 0 2021 0 2022 4757394.040352666