51% (1957)

60% (2022)

45% (2016)

55% (2007)

74% (2017)

47% (1963)

52% (1982)

56% (2001)

54% (1988)

0% (1993)

55% (1986)

64% (2006)

61% (2009)

30% (2023)

57% (1971)

64% (2011)

53% (1975)

58% (1973)

80% (2008)

44% (1997)