Year current US$ 1991 170000.00178813902 1992 289999.99165535 1993 79999.9982118607 1994 219999.998807907 1995 600000.023841858 1996 340000.00357627904 1997 90000.0035762787 1998 150000.005960464 1999 79999.9982118607 2000 2369999.8855590797 2001 170000.00178813902 2002 230000.004172325 2003 159999.99642372102 2004 219999.998807907 2005 219999.998807907 2006 540000.021457672 2007 4300000.19073486 2008 4679999.82833862 2009 3109999.89509583 2010 3769999.98092651 2011 8220000.26702881 2012 7039999.96185303 2013 5880000.11444092 2014 16899999.6185303 2015 40049999.237060495 2016 13880000.1144409 2017 24780000.6866455 2018 22549999.237060502 2019 25850000.3814697 2020 24049999.237060502 2021 18500000 2022 551169982.910156