54% (1976)

55% (1999)

65% (2023)

56% (2002)

69% (2023)

74% (2006)

74% (2002)

61% (2021)

58% (2024)

61% (2022)

62% (2023)

61% (2001)

72% (1995)

66% (2009)

68% (2014)

67% (2017)

58% (2009)

66% (2019)

70% (1992)

67% (2008)