53% (2005)

55% (2006)

58% (2005)

78% (1999)

54% (2003)

64% (2004)

54% (2005)

60% (2003)

58% (1988)

49% (2001)

32% (2003)

50% (1995)

56% (2002)

0% (2004)

52% (2004)

0% (1999)

50% (2003)

0% (1990)

0% (1990)

0% (1990)