56% (1976)

68% (1984)

55% (1993)

50% (2009)

66% (2009)

59% (2008)

82% (2022)

62% (2008)

59% (1995)

54% (2010)

72% (2011)

64% (1986)

72% (2012)

82% (2020)

75% (2015)

67% (1993)

69% (2022)

71% (1971)

72% (2013)

69% (2023)