Year current US$ 1972 9999.99977648258 1973 9999.99977648258 1974 9999.99977648258 1976 9999.99977648258 1977 9999.99977648258 1985 19999.9995529652 1986 19999.9995529652 1993 29999.999329447703 1994 29999.999329447703 1996 70000.0002980232 1997 209999.993443489 1998 29999.999329447703 1999 9999.99977648258 2000 109999.999403954 2001 600000.023841858 2002 2039999.96185303 2003 1399999.97615814 2004 10010000.2288818 2005 9220000.26702881 2006 3319999.9332428 2007 3730000.01907349 2008 7800000.19073486 2009 4159999.8474121103 2010 3490000.00953674 2011 5929999.82833862 2012 15869999.8855591 2013 7429999.82833862 2014 3720000.02861023 2015 3579999.92370605 2016 3410000.08583069 2017 5340000.15258789 2018 90000.0035762787 2019 1990000.0095367401 2020 2150000.09536743 2021 4239999.771118159 2022 4420000.07629395