52% (2011)

48% (1986)

61% (2023)

61% (1988)

62% (2021)

68% (1988)

57% (1998)

64% (2022)

78% (2018)

54% (2016)

73% (2015)

60% (1981)

52% (2013)

67% (1973)

64% (2023)

70% (2006)

57% (2018)

73% (2023)

55% (1997)

73% (2014)