61% (2014)

69% (2004)

77% (2002)

47% (2008)

63% (1995)

55% (1997)

64% (1997)

29% (2004)

45% (1995)

58% (1992)

48% (1996)

61% (1997)

53% (1992)

53% (1997)

27% (1989)

56% (1992)

53% (1995)

47% (1998)

55% (1996)

42% (1990)