Year current US$ 1990 19999.9995529652 1991 19999.9995529652 1992 9999.99977648258 1995 19999.9995529652 1997 19999.9995529652 2003 280000.001192093 2004 310000.002384186 2005 310000.002384186 2006 310000.002384186 2007 460000.00834465 2008 839999.973773956 2009 239999.994635582 2010 230000.004172325 2011 189999.99761581398 2012 9999.99977648258 2013 300000.011920929 2014 400000.00596046395 2015 1250000 2016 2140000.10490417 2017 3809999.94277954 2018 6429999.82833862 2019 5710000.03814697 2020 5579999.92370605 2021 5489999.771118159 2022 6980000.01907349