Year current US$ 1962 449999.988079071 1963 490000.009536743 1964 439999.997615814 1970 19999.9995529652 1974 19999.9995529652 1980 319999.99284744303 1981 9999.99977648258 1990 50000.0007450581 1991 200000.00298023198 1992 389999.98569488496 1993 819999.992847443 1994 589999.973773956 1995 519999.980926514 1996 1049999.95231628 1997 1309999.9427795399 1998 610000.014305115 1999 2970000.02861023 2000 4070000.1716613797 2001 3740000.00953674 2002 1580000.04291534 2003 5940000.05722046 2004 9119999.88555908 2005 21600000.3814697 2006 23899999.6185303 2007 16440000.534057599 2008 12149999.6185303 2009 11579999.923706101 2010 5940000.05722046 2011 6199999.80926514 2012 7119999.88555908 2013 4639999.8664856 2014 1870000.00476837 2015 1769999.98092651 2016 2289999.96185303 2017 2420000.07629395 2018 4190000.05722046 2019 2690000.05722046 2020 1919999.95708466 2021 6420000.07629395 2022 3259999.99046326