Year current US$ 1991 39999.9991059303 1995 19999.9995529652 1997 9999.99977648258 1999 29999.999329447703 2002 4699999.80926514 2003 2400000.09536743 2004 170000.00178813902 2005 509999.99046325695 2006 1820000.05245209 2007 1490000.0095367401 2008 1259999.9904632599 2009 479999.989271164 2010 209999.993443489 2011 29999.999329447703 2016 50000.0007450581 2017 70000.0002980232 2018 70000.0002980232 2019 70000.0002980232