Year current US$ 1994 19999.9995529652 1995 79999.9982118607 1996 50000.0007450581 1997 9999.99977648258 1999 330000.013113022 2001 29999.999329447703 2002 100000.00149011599 2003 129999.995231628 2004 1029999.97138977 2005 180000.00715255702 2006 1799999.95231628 2007 9359999.65667725 2008 6460000.03814697 2009 5269999.98092651 2010 3779999.97138977 2011 2220000.02861023 2012 2440000.05722046 2013 1379999.99523163 2014 2119999.8855590797 2015 1200000.04768372 2016 1460000.03814697 2017 1240000.0095367401 2018 1519999.98092651 2019 2869999.8855590797 2020 2559999.94277954 2021 2579999.92370605 2022 2380000.1144409203