83% (1992)

80% (2013)

69% (2008)

72% (2007)

69% (2001)

0% (2016)

69% (2008)

64% (2010)

71% (2002)

60% (2006)

75% (2016)

73% (1999)

60% (2012)

63% (2010)

72% (2011)

79% (2013)

63% (2011)

46% (2012)

69% (2002)

70% (2009)