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Historical Values
Year Value
1990 NA%
1991 none
1992 none
1993 0%
1994 0%
1995 0%
1996 0%
1997 0%
1998 0%
1999 0%
2000 0%
2001 0%
2002 0%
2003 0%
2004 0% (1996 est.)
2005 0% (1996 est.)
2006 0% (1996 est.)
2007 0% (1996 est.)
2008 0% (1996 est.)
2009 0% (2007) country comparison to the world: 1 0% (2006)
2010 7% (2008) country comparison to the world: 69 0% (2007)
2011 2.9% (2009) country comparison to the world: 22 2.7% (2008)
2012 1.9% (2011 est.) country comparison to the world: 10 1.2% (2010 est.)
2013 2.9% (2012 est.) country comparison to the world: 21 1.9% (2011 est.)
2014 4% (2012 est.) country comparison to the world: 30 1.9% (2011 est.)
2015 4% (2012 est.) | 1.9% (2011 est.) | country comparison to the world: 35
2016 4% (2012 est.) | 1.9% (2011 est.) | country comparison to the world: 36
2017 3.7% (2016 est.) | 4.1% (2015 est.) | country comparison to the world: 40
2018 3.7% (2016 est.) | 4.1% (2015 est.)
2019 3.7% (2016 est.) | 4.1% (2015 est.)
2020 3.7% (2016 est.) | 4.1% (2015 est.)
2021 3.7% (2016 est.) 4.1% (2015 est.)
2022 3.7% (2016 est.) 4.1% (2015 est.)
2023 3.7% (2016 est.) 4.1% (2015 est.)
2024 3.7% (2016 est.) 4.1% (2015 est.)