48% (2006)

79% (2015)

55% (1992)

72% (2009)

54% (2018)

55% (2008)

59% (2009)

61% (2017)

56% (2004)

61% (2008)

69% (2006)

75% (1983)

61% (2021)

55% (1982)

67% (1973)

69% (1965)

55% (1977)

54% (1985)

60% (2004)

64% (2003)