61% (2014)

77% (2002)

69% (2004)

63% (1995)

47% (2008)

64% (1997)

55% (1997)

53% (1992)

28% (2004)

58% (1992)

61% (1997)

53% (1997)

27% (1989)

49% (1996)

45% (1995)

53% (1995)

47% (1998)

55% (1996)

56% (1992)

54% (1996)