50% (2002)

80% (2005)

57% (2008)

75% (2002)

60% (2001)

58% (2002)

83% (2003)

70% (2004)

70% (2001)

0% (2005)

0% (2003)

60% (2006)

70% (2006)

63% (2001)

67% (2000)

65% (2000)

50% (2004)

80% (2003)

85% (2006)

0% (2008)