76% (2013)

50% (2010)

50% (2008)

27% (2016)

64% (2005)

70% (2013)

54% (1998)

73% (2013)

63% (2007)

64% (1999)

80% (2007)

67% (2001)

65% (2003)

76% (2007)

72% (2006)

85% (2009)

42% (2005)

69% (2015)

70% (2004)

70% (2001)