67% (2024)

63% (2022)

72% (2010)

66% (2006)

71% (2000)

76% (2018)

59% (2023)

68% (2022)

68% (2018)

75% (2001)

62% (2015)

67% (2003)

45% (1977)

61% (2009)

55% (2003)

67% (2010)

77% (2021)

58% (2013)

59% (2020)

77% (1996)