65% (2003)

69% (2014)

57% (1996)

54% (2000)

54% (2002)

52% (1997)

58% (2001)

63% (2000)

63% (1998)

78% (1999)

62% (2000)

30% (1998)

20% (2000)

56% (1990)

65% (2001)

50% (1991)

55% (2000)

10% (1999)

0% (1992)

64% (2000)