70% (1972)

62% (1997)

71% (2008)

64% (1999)

61% (1997)

77% (2022)

57% (2020)

67% (2013)

59% (2014)

60% (2010)

74% (2010)

57% (1974)

59% (1992)

61% (2007)

75% (1981)

69% (1984)

76% (2007)

71% (1973)

67% (2019)

50% (2003)