48% (2002)

49% (2001)

68% (1998)

64% (2000)

57% (1999)

32% (1998)

70% (2002)

38% (2000)

43% (2006)

30% (2000)

54% (2002)

52% (2005)

100% (1997)

0% (1999)

70% (1994)

30% (1999)

0% (2003)

0% (2002)

10% (1995)