Year current US$ 1992 200000 1993 200000 1994 500000 1995 400000 1996 400000 1997 400000 1998 400000 1999 400000 2000 440000 2001 463050 2002 486202.5 2003 996715.125 2004 800000 2005 840000 2006 5410944 2007 6000000 2008 9360745.82 2009 22370007.92 2010 19314932.66 2011 75643119.06 2012 70175689.279999 2013 68704000.84 2014 54165306.36 2015 43338071.87 2016 39476133.67 2017 103058585.605073 2018 123785020.55765 2019 106033680.86 2020 96284527.79 2021 126894380.188019 2022 148056417.379577