60% (2005)

50% (2006)

61% (2018)

73% (1983)

62% (1958)

48% (1993)

62% (1994)

65% (1996)

67% (1998)

74% (1991)

62% (2019)

61% (2013)

74% (1970)

63% (2001)

63% (1991)

67% (1984)

56% (2004)

67% (2007)

73% (1992)

58% (2006)