65% (1992)

55% (1995)

65% (1998)

64% (2002)

57% (2003)

76% (1973)

67% (2002)

62% (2006)

57% (1999)

52% (2015)

69% (1993)

59% (1996)

57% (2004)

67% (2006)

73% (2002)

55% (2020)

38% (1977)

71% (1933)

60% (1990)

67% (2010)