70% (1969)

63% (1990)

52% (2008)

52% (1982)

63% (1997)

66% (2021)

61% (1991)

67% (2005)

66% (2022)

68% (1976)

57% (2001)

77% (2010)

67% (2008)

46% (1994)

54% (2006)

78% (2008)

45% (1980)

66% (2014)

65% (1998)

66% (2007)