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Historical Values
Year Value
1990 26% (1988)
1991 25% (1990 est.)
1992 25% (1990 est.)
1993 25% (1992 est.)
1994 25% (1992 est.)
1995 25% (1994 est.)
1996 14% (1995 est.)
1997 20% (1 October 1996)
1998 20% (1 October 1996)
1999 20% (1 October 1996)
2000 15% (1997)
2001 15% (1997)
2002 11.5% (1999) (1999)
2003 12.5% (2000)
2004 12.5% (2000)
2005 12.5% (2000)
2006 12.5% (2000)
2007 12.5% (2000)
2008 12.5% (2000)
2009 12.5% (2000) country comparison to the world: 140
2010 12.5% (2000) country comparison to the world: 132
2011 12.5% (2000) country comparison to the world: 134
2012 25% (2008) country comparison to the world: 173 12.5% (2000)
2013 25% (2008) country comparison to the world: 172 12.5% (2000)
2014 33.5% (2013) country comparison to the world: 186 25% (2008)
2015 33.5% (2013) | 25% (2008) | country comparison to the world: 191
2016 33.5% (2013) | 25% (2008) | country comparison to the world: 192
2017 33.5% (2013) | 25% (2008) | country comparison to the world: 205
2018 24% (2017 est.) | 28.2% (2016 est.)
2019 24% (2017 est.) | 28.2% (2016 est.)
2020 24% (2017 est.) | 28.2% (2016 est.)
2021 24% (2017 est.) 28.2% (2016 est.)
2022 24% (2017 est.) 28.2% (2016 est.)
2023 24% (2017 est.) 28.2% (2016 est.)
2024 24% (2017 est.) 28.2% (2016 est.)