65% (2007)

56% (2005)

57% (2000)

70% (2001)

50% (2006)

46% (2008)

100% (1999)

76% (2005)

60% (2005)

56% (2002)

62% (2003)

41% (1998)

100% (1999)

100% (1999)

48% (2002)

60% (2001)

0% (2006)

52% (1999)

0% (2007)

0% (2007)