69% (1976)

67% (1975)

81% (2023)

71% (2006)

69% (1991)

58% (1989)

54% (2005)

61% (2014)

64% (2005)

45% (2014)

63% (2018)

71% (2018)

47% (2007)

71% (1954)

67% (1959)

38% (2008)

53% (2013)

69% (1973)

57% (2011)

67% (2020)