88% (2002)

67% (1981)

86% (2000)

79% (1996)

80% (1998)

82% (2005)

80% (1999)

73% (2001)

63% (2017)

73% (1994)

43% (2002)

78% (2015)

81% (2003)

75% (2005)

85% (2004)

78% (1985)

60% (2014)

62% (2000)

80% (1995)

81% (2002)