45% (1999)

42% (2003)

53% (1996)

0% (1985)

64% (1997)

46% (1998)

71% (2002)

72% (1990)

56% (1985)

69% (1992)

63% (2002)

45% (2002)

61% (1999)

60% (1994)

60% (1992)

67% (1999)

70% (2006)

69% (1999)

0% (1997)

50% (2007)