65% (2004)

82% (2006)

60% (2004)

70% (2001)

52% (2005)

65% (2004)

0% (1999)

0% (2006)

50% (2004)

90% (2003)

48% (2000)

0% (1998)

70% (1998)

60% (2003)

61% (1999)