74% (2004)

65% (2015)

59% (1968)

62% (1982)

67% (2009)

67% (1988)

72% (2013)

67% (1994)

72% (1995)

54% (2024)

54% (2015)

64% (2005)

66% (2023)

70% (2022)

74% (2023)

63% (2014)

61% (2013)

59% (2004)

48% (2010)

55% (2006)