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Historical Values
Year Value
1993 18,300 km2 (1989 est.)
1994 18,300 sq km (1989 est.)
1995 18,300 sq km (1989 est.)
1996 18,300 sq km (1989 est.)
1997 18,600 sq km (1993 est.)
1998 18,600 sq km (1993 est.)
1999 18,600 sq km (1993 est.)
2000 18,600 sq km (1993 est.)
2001 18,600 sq km (1993 est.)
2002 30,000 sq km (1998 est.)
2003 30,000 sq km (1998 est.)
2004 30,000 sq km (1998 est.)
2005 30,000 sq km (1998 est.)
2006 30,000 sq km (2003)
2007 30,000 sq km (2003)
2008 30,000 sq km (2003)
2009 30,000 sq km (2003)
2010 30,000 sq km (2003)
2011 46,000 sq km (2008)
2012 46,000 sq km (2003)
2013 45,850 sq km (2005)
2014 45,850 sq km (2005)
2015 45,850 sq km (2005)
2016 46,000 sq km (2012)
2017 46,000 sq km (2012)
2018 46,000 sq km (2012)
2019 46,000 sq km (2012)
2020 46,000 sq km (2012)
2021 46,000 sq km (2012)
2022 46,000 sq km (2012)
2023 46,000 sq km (2012)
2024 46,000 sq km (2012)
2025 46,000 sq km (2012)