65% (2000)

80% (2002)

56% (2007)

57% (2004)

65% (2003)

65% (2001)

60% (2000)

61% (2000)

60% (2003)

63% (2001)

59% (2001)

75% (2006)

68% (2005)

51% (2000)

57% (1998)

62% (2004)

68% (2004)

54% (1998)

60% (2001)