61% (1997)

63% (2014)

73% (2015)

63% (1987)

52% (2007)

72% (1998)

57% (1960)

57% (2007)

65% (2008)

75% (2024)

69% (2014)

61% (2011)

50% (1991)

83% (1991)

64% (2006)

71% (2000)

44% (2016)

69% (2012)

60% (1975)

73% (1984)