Year current US$ 1980 70000000 1981 93000000 1982 81000000 1983 14000000 1984 14000000 1985 13000000 1986 12100000.38 1987 14199999.81 1988 14100000.38 1989 17600000.38 1990 7200000 1991 8333333.015 1992 9466666.222 1993 10600000.38 1994 11733333.59 1995 12866666.79 1996 14000000 1997 20500000 1998 15808000 1999 14400000 2000 15600000 2001 15700000 2002 15900000 2003 3500000.05085985 2004 3600001.63216023 2005 3199999.16289998 2006 3199999.84122023 2007 3200000.50499129 2008 3199999.7251396 2009 103939862.000001 2010 148788988.999984 2011 177089470.999982 2012 237627482.999982 2013 310104615.999989 2014 304434932.999978 2015 386476768.999982 2016 345594093.542873 2017 492037287.263703 2018 623866299.713828 2019 722743058.630458 2020 615580366.397797 2021 636974680.335048 2022 675621549.36892