61% (1988)

57% (1999)

67% (2014)

67% (2023)

65% (2001)

56% (2012)

62% (2000)

58% (2022)

64% (2015)

61% (2003)

77% (1998)

72% (2007)

62% (2018)

66% (2021)

61% (2015)

59% (2006)

64% (2023)

73% (2020)

58% (2023)

53% (2023)