67% (2003)

69% (2014)

52% (1997)

54% (2000)

57% (1996)

63% (1998)

58% (2001)

44% (2003)

61% (2001)

54% (2002)

52% (1996)

63% (2000)

62% (2000)

50% (1998)

55% (2001)

0% (1992)

87% (1989)

60% (2000)

44% (1993)

63% (2003)