Year current US$ 1990 9999.99977648258 1991 270000.010728836 1992 209999.993443489 1993 330000.013113022 1994 259999.990463257 1995 289999.99165535 1996 500000 1997 400000.00596046395 1998 209999.993443489 1999 239999.994635582 2000 200000.00298023198 2001 230000.004172325 2002 300000.011920929 2003 419999.986886978 2004 629999.995231628 2005 689999.997615814 2006 310000.002384186 2007 270000.010728836 2008 740000.009536743 2009 180000.00715255702 2010 2569999.9332428 2011 4300000.19073486 2012 15510000.2288818 2013 7179999.82833862 2014 11359999.6566772 2015 16700000.7629395 2016 11250000 2017 25569999.6948242 2018 13060000.4196167 2019 13970000.2670288 2020 11390000.3433228 2021 30250000 2022 18659999.8474121