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Historical Values
Year Value
2001 0.02% (1999 est.)
2002 0.02% (1999 est.)
2003 less than 0.1% (2001 est.)
2004 less than 0.1% (2001 est.)
2005 less than 0.1% (2001 est.)
2006 less than 0.1% (2001 est.)
2007 less than 0.1% (2001 est.)
2008 less than 0.1% (2001 est.)
2009 less than 0.1% (2001 est.) country comparison to the world: 152
2010 less than 0.1% (2001 est.) country comparison to the world: 149
2011 less than 0.1% (2001 est.) country comparison to the world: 133
2012 less than 0.1% (2001 est.) country comparison to the world: 132
2013 less than 0.1% (2001 est.) country comparison to the world: 140
2014 less than 0.1% (2001 est.) country comparison to the world: 152
2015 NA
2016 NA
2017 <.1% (2016 est.)
2018 <.1% (2016 est.)
2019 <.1% (2018 est.)
2020 <.1% (2018 est.)
2021 <.1% (2020 est.)
2022 NA