37% (2001)

75% (1971)

0% (1981)

0% (2006)

61% (1986)

73% (2001)

51% (1976)

79% (1999)

66% (1996)

27% (2005)

76% (2015)

37% (1980)

66% (1994)

49% (2003)

77% (2002)

30% (1991)

67% (1993)

0% (1970)

64% (1991)

50% (2018)