51% (1981)

81% (1976)

75% (2015)

66% (2023)

46% (1985)

68% (1977)

64% (1998)

60% (1978)

53% (2007)

60% (2001)

59% (1999)

51% (2009)

64% (2015)

62% (1991)

57% (2024)

66% (2022)

10% (1994)

66% (1972)

45% (1998)

61% (2009)