67% (2003)

67% (2004)

43% (2008)

70% (2007)

49% (2007)

60% (2005)

63% (2005)

66% (2005)

64% (2003)

47% (2007)

60% (2006)

55% (2005)

56% (2004)

50% (2004)

42% (2008)

59% (2004)

51% (2005)

61% (2006)

78% (2006)

45% (2005)