Year current US$ 2005 4010000.0072270646 2006 5740000.07286668 2007 6590000.01847744 2008 9439999.930560585 2009 9549999.877810478 2010 7529999.995604154 2011 8070000.011473892 2012 7069999.910891056 2013 6619999.945163725 2014 6379999.902099371 2015 4940000.031143431 2016 5529999.993741515 2017 8540000.010281796 2018 11669999.903067956 2019 13239999.843761323 2020 12299999.91320074 2021 16629999.859258536 2022 15659999.957308166