Year current US$ 1978 19999.9995529652 1980 9999.99977648258 1981 19999.9995529652 1982 170000.00178813902 1983 39999.9991059303 1984 19999.9995529652 1985 9999.99977648258 1989 79999.9982118607 1990 70000.0002980232 1991 100000.00149011599 1992 39999.9991059303 1993 59999.9986588955 1995 39999.9991059303 1996 150000.005960464 1997 170000.00178813902 1999 209999.993443489 2000 9999.99977648258 2001 230000.004172325 2002 209999.993443489 2003 479999.989271164 2004 509999.99046325695 2005 790000.021457672 2006 319999.99284744303 2007 1269999.98092651 2008 250000 2009 1450000.04768372 2010 129999.995231628 2011 1200000.04768372 2012 0 2013 349999.99403953605 2014 70000.0002980232 2015 170000.00178813902 2016 460000.00834465 2017 340000.00357627904 2018 589999.973773956 2019 670000.016689301 2020 699999.988079071 2021 930000.007152557 2022 469999.998807907