61% (2014)

77% (2002)

69% (2004)

47% (2008)

62% (1995)

64% (1997)

44% (1995)

61% (1997)

28% (2004)

62% (1994)

55% (1997)

53% (1992)

47% (1996)

56% (1992)

53% (1997)

27% (1989)

56% (1996)

40% (1990)

54% (1995)

57% (1996)