60% (2002)

70% (2004)

61% (2017)

74% (2001)

60% (2006)

68% (2004)

69% (2003)

63% (2006)

71% (2003)

69% (2006)

67% (2004)

41% (2003)

62% (2007)

62% (2003)

62% (2001)

51% (2005)

58% (2007)

73% (2003)

51% (2001)

56% (2003)