61% (2015)

62% (2015)

76% (1999)

75% (2016)

77% (1997)

70% (2004)

73% (2003)

50% (2003)

72% (2000)

70% (2010)

78% (2006)

74% (2006)

61% (2005)

65% (2010)

76% (2002)

64% (2007)

67% (2006)

54% (2005)

59% (2009)

72% (2005)