Year current US$ 1980 1210000.03814697 1981 629999.995231628 1982 430000.00715255697 1983 419999.986886978 1984 270000.010728836 1985 360000.01430511504 1986 209999.993443489 1987 219999.998807907 1988 100000.00149011599 1989 469999.998807907 1990 319999.99284744303 1991 239999.994635582 1992 270000.010728836 1993 310000.002384186 1994 469999.998807907 1995 319999.99284744303 1996 289999.99165535 1997 349999.99403953605 1998 340000.00357627904 1999 239999.994635582 2000 209999.993443489 2001 400000.00596046395 2002 479999.989271164 2003 419999.986886978 2004 569999.992847443 2005 500000 2006 519999.980926514 2007 540000.021457672 2008 740000.009536743 2009 660000.026226044 2010 769999.980926514 2011 720000.028610229 2012 693785.011768341 2013 573556.005954742 2014 701633.632183075 2015 533890.068531036 2016 382287.800312042 2017 388649.85108375497 2018 427139.99748230004 2019 687921.941280365 2020 997229.993343353 2021 724214.851856232 2022 854709.982872009