Year current US$ 1996 2119999.9842792703 1997 6660000.03926456 1998 8540000.15184283 1999 5440000.03673136 2000 7270000.00141561 2001 3820000.0375509304 2002 5110000.06459653 2003 22499999.701976802 2004 23159999.8772144 2005 18420000.1433492 2006 27369999.6192008 2007 27610000.085085597 2008 38619999.974966 2009 48010000.1692772 2010 29869999.5633215 2011 22749999.5268881 2012 14239999.9760091 2013 3389999.91491437 2014 4920000.02786517 2015 3079999.9702721797 2016 979999.987408519 2017 1399999.97615814 2018 1159999.99456108 2019 830000.003799796 2020 249999.992549419 2021 9379999.8909235 2022 2069999.933242796