60% (1991)

87% (2005)

70% (2018)

58% (2020)

58% (1985)

83% (2005)

0% (2010)

62% (1978)

64% (1986)

61% (1983)

84% (2005)

57% (1973)

85% (2005)

69% (1990)

40% (2003)

60% (1980)

59% (1974)

58% (1986)

68% (1992)

50% (1994)