53% (1995)

59% (1997)

66% (1991)

82% (1996)

64% (2010)

69% (2009)

48% (1994)

54% (1998)

66% (1995)

66% (2006)

66% (2008)

71% (1993)

64% (1998)

60% (1998)

52% (2012)

71% (1992)

46% (1994)

67% (1947)

67% (2005)

41% (1997)