71% (1997)

78% (2018)

70% (2024)

62% (2007)

73% (2007)

64% (2001)

82% (1998)

90% (2011)

73% (1976)

63% (1994)

75% (1975)

40% (1989)

60% (1976)

55% (2018)

77% (2004)

69% (2004)

56% (1991)

67% (2015)

70% (1992)