51% (2001)

77% (2002)

68% (2002)

54% (2002)

65% (2006)

54% (1999)

63% (2007)

62% (2002)

65% (2000)

64% (1998)

61% (2001)

39% (2008)

62% (1999)

61% (2008)

68% (2004)

50% (2000)

61% (1999)

44% (2002)

55% (2009)

61% (1999)