Year current US$ 1982 1700000 1983 2700000 1984 7000000 1985 5500000 1989 3410000 1990 3680000 1991 9750000 1992 8750000 1993 6800000 1994 2460000 1995 2420000 1996 2860000 1997 5900000 2001 3561886.5514123137 2002 6287050.451203146 2003 4962144.601790469 2004 5807473.44228239 2005 4631559.333320821 2006 3425193.87359033 2007 33390209.0066706 2008 43770488.7171871 2009 31850269.8089313 2010 42470257.24998337 2011 43481401.58251067 2012 21395728.516372964 2013 37902596.10691822 2014 45069267.971932076 2015 34285259.76066429 2016 34310086.64647519 2017 32133269.80740939 2018 37635364.640335225 2019 40833333.837053105 2020 18015413.71529788 2021 34946669.08885273 2022 34512328.9762917