60% (1982)

67% (1987)

61% (2005)

74% (2015)

58% (2001)

70% (2010)

75% (1994)

90% (2001)

59% (1986)

70% (2017)

80% (2001)

65% (1977)

71% (2007)

60% (1989)

0% (1976)

68% (2016)

77% (2001)

66% (1999)

64% (2018)

57% (2008)