68% (1990)

79% (1996)

67% (2021)

55% (2003)

61% (2014)

39% (2020)

64% (2008)

69% (1984)

74% (1984)

59% (2007)

71% (1977)

63% (2021)

56% (1989)

57% (1985)

53% (2002)

59% (1997)

52% (2014)

50% (2013)

61% (2011)

69% (1999)