65% (2003)

69% (2014)

38% (2000)

78% (1999)

65% (2001)

42% (2000)

57% (1996)

65% (1995)

52% (1997)

62% (2000)

47% (1996)

0% (2001)

50% (2000)

55% (1996)

54% (1993)

30% (1992)

50% (1990)

69% (1993)

63% (1998)

54% (2000)