Year current US$ 1993 6880000.11444092 1994 10779999.7329712 1995 8770000.45776367 1996 11000000 1997 10899999.6185303 1998 10420000.076293899 1999 11609999.6566772 2000 10710000.038146999 2001 7510000.228881841 2002 9489999.77111816 2003 13079999.923706101 2004 12010000.2288818 2005 14550000.1907349 2006 11140000.3433228 2007 13960000.038146999 2008 14649999.6185303 2009 12989999.7711182 2010 16479999.5422363 2011 11770000.4577637 2012 11760000.2288818 2013 10090000.1525879 2014 6760000.228881841 2015 4280000.20980835 2016 6280000.20980835 2017 5300000.19073486 2018 4539999.96185303 2019 5610000.1335144 2020 8680000.30517578 2021 9000000 2022 7099999.90463257