65% (2004)

50% (2004)

60% (2004)

65% (2004)

52% (2005)

70% (2001)

82% (2006)

61% (1999)

0% (1999)

48% (2000)

70% (1998)

60% (2003)

0% (2006)

0% (1998)

90% (2003)