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Historical Values
Year Value
2001 220 (1999 est.)
2002 220 (1999 est.)
2003 220 (2001 est.)
2004 220 (2001 est.)
2005 600 (2003 est.)
2006 600 (2003 est.)
2007 600 (2003 est.)
2008 600 (2003 est.)
2009 fewer than 1,000 (2007 est.) country comparison to the world: 79
2010 fewer than 1,000 (2007 est.) country comparison to the world: 74
2011 fewer than 500 (2009 est.) country comparison to the world: 95
2012 fewer than 500 (2009 est.) country comparison to the world: 95
2013 fewer than 500 (2009 est.) country comparison to the world: 90
2014 300 (2012 est.) country comparison to the world: 104
2015 400 (2014 est.) | country comparison to the world: 90
2016 800 (2015 est.) | country comparison to the world: 90
2017 <1000 (2016 est.)
2018 <1000 (2016 est.)
2019 <1000 (2018 est.)
2020 <1000 (2019 est.)
2021 <500 (2020 est.)