Year current US$ 1992 0 1993 0 1994 490000.009536743 1995 490000.009536743 1996 980000.019073486 1997 1070000.05245209 1998 689999.997615814 1999 9539999.96185303 2000 18489999.7711182 2001 16270000.4577637 2002 2940000.05722046 2003 1659999.9666214 2004 2319999.9332428 2005 2630000.1144409203 2006 4289999.96185303 2007 3210000.03814697 2008 3990000.00953674 2009 5900000.09536743 2010 32209999.084472697 2011 21989999.7711182 2012 19090000.1525879 2013 10699999.8092651 2014 14470000.2670288 2015 14960000.038146999 2016 26799999.237060502 2017 54040000.9155273 2018 32509998.321533203 2019 64610000.61035161 2020 54290000.9155273 2021 38319999.6948242 2022 36200000.762939505