Year current US$ 2002 19999.9995529652 2007 300000.011920929 2008 140000.000596046 2010 150000.005960464 2011 5150000.09536743 2012 3230000.01907349 2013 1570000.05245209 2014 4429999.82833862 2015 5469999.79019165 2016 4570000.17166138 2017 5210000.03814697 2018 5369999.88555908 2019 7829999.92370605 2020 8250000 2021 8050000.19073486 2022 8069999.694824221