61% (2007)

67% (2002)

56% (2003)

66% (2004)

50% (2008)

45% (2008)

62% (2002)

46% (2003)

57% (1998)

70% (1999)

52% (1998)

60% (2005)

60% (2003)

79% (2001)

54% (2006)

57% (2005)

60% (2003)

0% (2005)

50% (2007)

51% (2005)