Year current US$ 1996 720000.0081211326 1997 2729999.9725073576 1998 4140000.0378489513 1999 2239999.9890476465 2000 4670000.09678304 2001 1830000.0280141826 2002 3820000.093430284 2003 20449999.70123171 2004 17520000.01072883 2005 16610000.20056963 2006 21599999.63827427 2007 24090000.00730156 2008 29369999.855756763 2009 32079999.744892154 2010 18509999.54901635 2011 17379999.622702595 2012 9080000.10997057 2013 2589999.9439716344 2014 3380000.047385692 2015 2319999.990984796 2016 809999.9912083143 2017 1189999.982714654 2018 959999.9915808431 2019 610000.0049918883 2020 249999.9925494193 2021 9189999.89330768 2022 1909999.936819075