Year current US$ 1991 600000.023841858 1992 2019999.9809265102 1993 1259999.9904632599 1994 1090000.0333786 1995 1029999.97138977 1996 340000.00357627904 1997 379999.99523162795 1998 3230000.01907349 1999 430000.00715255697 2000 569999.992847443 2001 1370000.00476837 2002 1889999.98569489 2003 2759999.99046326 2004 3849999.90463257 2005 7280000.20980835 2006 5110000.1335144 2007 5289999.96185303 2008 8680000.30517578 2009 6750000 2010 6980000.01907349 2011 14199999.8092651 2012 10199999.8092651 2013 8250000 2014 8460000.03814697 2015 12609999.6566772 2016 9930000.30517578 2017 18180000.3051758 2018 19040000.915527303 2019 14229999.5422363 2020 16389999.389648398 2021 20500000 2022 75769996.6430664