58% (1996)

72% (1987)

67% (1989)

61% (2009)

61% (2004)

58% (1975)

52% (2017)

70% (2002)

58% (2019)

78% (2019)

76% (2019)

74% (1981)

35% (1994)

57% (1974)

60% (1974)

48% (1992)

60% (2009)

50% (2001)

64% (2005)

43% (2009)