62% (1980)

55% (2006)

50% (2021)

72% (1996)

67% (1989)

60% (2006)

58% (1914)

44% (2007)

77% (1983)

52% (2010)

43% (2017)

59% (1997)

64% (1989)

61% (2007)

53% (2023)

59% (1995)

57% (1985)

48% (2008)

0% (1970)

0% (1967)