Year current US$ 1993 -1540287824.03173 1994 126028150.807784 1995 693370280.061044 1996 814993557.827013 1997 1769874328.93671 1998 2009938549.48251 1999 457613617.887021 2000 839786488.34058 2001 1831947947.3161 2002 2779158103.36739 2003 2380462570.05614 2004 4384097867.14361 2005 4792039723.92426 2006 6200463100.50039 2007 5674397128.67842 2008 7437867257.7527 2009 6552438602.77875 2010 7404431028.36945 2011 8109688199.98698 2012 6611862272.15833 2013 12464660412.345 2014 14619276192.3175 2015 14334203980.6791 2016 15358934406.9097 2017 15942556083.6861 2018 21615357122.9834 2019 22860386069.841 2020 17593576528.9507 2021 20313637054.4158