62% (2014)

48% (2008)

77% (2002)

63% (1995)

69% (2004)

63% (1994)

64% (1997)

55% (1997)

52% (1992)

44% (1995)

52% (1997)

28% (2004)

56% (1992)

55% (1996)

54% (1995)

61% (1997)

46% (1996)

27% (1989)

51% (1998)

55% (1992)