57% (2021)

61% (2023)

77% (2004)

60% (2010)

77% (2011)

66% (2002)

57% (2011)

71% (1997)

81% (1994)

67% (2012)

57% (2013)

52% (1991)

56% (2012)

54% (2015)

71% (1994)

68% (1991)

60% (2010)

60% (2004)

62% (1957)

65% (1993)