58% (1984)

56% (1985)

64% (2018)

66% (2017)

68% (1982)

66% (1971)

77% (1969)

52% (2008)

70% (2011)

61% (2002)

53% (2015)

70% (1971)

66% (2010)

45% (2008)

59% (2012)

56% (2005)

46% (2021)

55% (2020)

54% (2014)

67% (2006)