47% (1987)

62% (1995)

74% (1992)

42% (2007)

63% (2012)

20% (2021)

62% (2001)

77% (2019)

55% (2013)

47% (1964)

0% (2015)

25% (2004)

64% (1964)

62% (1978)

70% (1995)

20% (1992)

0% (1957)

59% (2005)

0% (2009)

56% (2016)