Year current US$ 1985 1659999.9666214 1986 2710000.03814697 1988 2710000.03814697 1989 2960000.03814697 1990 2410000.08583069 1991 2769999.98092651 1992 3799999.95231628 1993 3700000.04768372 1994 2769999.98092651 1995 2380000.1144409203 1996 1200000.04768372 1997 740000.009536743 1998 810000.002384186 1999 1590000.0333786 2000 980000.019073486 2001 340000.00357627904 2002 -150000.005960464 2003 59999.9986588955 2004 819999.992847443 2005 670000.016689301 2006 1009999.99046326 2007 1100000.02384186 2008 1710000.03814697 2009 1659999.9666214 2010 1139999.98569489 2011 680000.007152557 2012 634494.781494141 2013 594546.020030975 2014 794001.758098602 2015 488076.80606842 2016 552071.690559387 2017 733807.802200317 2018 315592.050552368 2019 739650.011062622 2020 1327709.07878876 2021 1243337.15438843 2022 1272892.8327560402