Year current US$ 1996 79999.9982118607 1997 150000.005960464 1998 79999.9982118607 1999 109999.999403954 2000 79999.9982118607 2001 90000.0035762787 2002 159999.99642372102 2003 140000.000596046 2006 189999.99761581398 2007 2509999.99046326 2008 3319999.9332428 2009 2579999.92370605 2010 2210000.03814697 2011 3700000.04768372 2012 3539999.96185303 2013 3079999.92370605 2014 3039999.96185303 2015 1529999.97138977 2016 439999.997615814 2017 70000.0002980232 2018 90000.0035762787 2019 59999.9986588955 2020 569999.992847443 2021 469999.998807907 2022 509999.99046325695