60% (2005)

60% (2004)

0% (2003)

76% (2000)

70% (2005)

5% (2006)

70% (2006)

78% (2000)

75% (1999)

58% (2004)

78% (2003)

52% (2006)

90% (2005)

70% (2000)

62% (2003)

0% (2005)

80% (1999)

70% (2004)

20% (1995)

0% (2003)