56% (1991)

62% (1995)

61% (1932)

59% (2007)

63% (1992)

60% (1993)

61% (1981)

58% (2005)

61% (2020)

72% (2002)

70% (1988)

55% (2013)

76% (2018)

59% (1981)

71% (2010)

58% (1985)

59% (1978)

62% (1991)

60% (1999)

64% (2020)