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Historical Values
Year Value
2001 1,000 (1999 est.)
2002 1,000 (1999 est.)
2003 650 (2001 est.)
2004 650 (2001 est.)
2005 650 (2001 est.)
2006 650 (2001 est.)
2007 650 (2001 est.)
2008 650 (2001 est.)
2009 fewer than 500 (2007 est.) country comparison to the world: 82
2010 fewer than 500 (2007 est.) country comparison to the world: 82
2011 fewer than 200 (2009 est.) country comparison to the world: 101
2012 fewer than 200 (2009 est.) country comparison to the world: 101
2013 fewer than 200 (2009 est.) country comparison to the world: 105
2014 400 (2012 est.) country comparison to the world: 97
2015 700 (2014 est.) | country comparison to the world: 75
2016 900 (2015 est.) | country comparison to the world: 75
2017 1,000 (2016 est.) | country comparison to the world: 63
2018 1,100 (2017 est.)
2019 <1000 (2018 est.)
2020 <1000 (2018 est.)
2021 <1000 (2018 est.)