71% (2005)

79% (2009)

60% (2007)

61% (2008)

57% (2008)

69% (2006)

69% (2023)

61% (2015)

63% (2020)

60% (2014)

57% (1973)

62% (1984)

62% (1991)

54% (2021)

58% (2001)

65% (2015)

63% (2018)

64% (2022)

68% (2010)

68% (1987)