Year current US$ 1982 159999.99642372102 1983 1259999.9904632599 1984 1570000.05245209 1985 3670000.07629395 1986 3500000 1987 3000000 1988 310000.002384186 1990 1100000.02384186 1992 0 2010 -10250000 2011 910000.026226044 2012 2599999.90463257 2013 3059999.94277954 2014 4679999.82833862 2015 4166273.1170654297 2016 3002233.2668304397 2017 1952215.7907486 2018 -108467.757701874 2019 3125553.1311035203 2020 8302412.986755369 2021 11649000.167846698 2022 18110439.3005371