74% (1981)

57% (2020)

59% (2019)

69% (2015)

69% (2018)

67% (2024)

64% (2007)

69% (2013)

70% (2022)

66% (2007)

67% (2016)

62% (2021)

64% (2009)

46% (1987)

62% (1999)

74% (2001)

58% (2005)

71% (2009)

70% (2007)

76% (2009)