58% (2009)

77% (2013)

77% (2002)

58% (1988)

44% (1976)

69% (2023)

53% (2008)

78% (2017)

56% (2019)

73% (2006)

71% (2014)

72% (2008)

63% (2008)

69% (2006)

63% (2002)

57% (1997)

70% (1981)

56% (1995)

50% (1975)

58% (2009)