Year current US$ 1997 540000.021457672 1998 620000.004768372 1999 1070000.05245209 2000 1899999.97615814 2001 870000.004768372 2002 800000.011920929 2003 819999.992847443 2004 1610000.01430511 2005 439999.997615814 2006 579999.983310699 2007 330000.013113022 2008 8609999.65667725 2009 129999.995231628 2010 1110000.01430511 2011 1720000.02861023 2012 3170000.07629395 2013 2339999.91416931 2014 1690000.0572204601 2015 3469978.09410095 2016 5508562.56484985 2017 8277568.81713867 2018 12250670.4330444 2019 11996851.9210815 2020 5194864.27307129 2021 1860999.94182587 2022 2811089.9925231896