Year current US$ 1997 800000.011920929 1998 709999.978542328 1999 560000.002384186 2000 1159999.9666214 2001 1359999.9509751755 2002 1070000.05245209 2003 2210000.03814697 2004 2779999.97138977 2005 5730000.0488758115 2006 7080000.057816506 2007 8890000.052750105 2008 9010000.0500679 2009 6359999.9230355 2010 5919999.986886973 2011 5079999.908804894 2012 5059999.9390542535 2013 6720000.065863131 2014 6849999.986588954 2015 7770000.01817942 2016 9709999.88913536 2017 7969999.9243021 2018 9640000.009909263 2019 5190000.042319296 2020 6140000.062063333 2021 7809999.98562039 2022 19770000.07778402