Year current US$ 2006 61306746.76382968 2007 86147366.71043238 2008 117553069.29763234 2009 94648177.58207145 2010 135253091.91914487 2011 171321544.49478817 2012 186648424.07809606 2013 171247996.12865654 2014 183689434.01636443 2015 189079168.0131572 2016 201104277.9534954 2017 203301335.09640625 2018 221182512.19890967 2019 208824853.4601165 2020 214636743.6990664 2021 127899964.865843 2022 198296188.023866 2023 314009703.60126466