65% (2000)

57% (2004)

80% (2002)

55% (2007)

63% (2001)

65% (2003)

62% (2004)

60% (2003)

51% (2000)

61% (2000)

75% (2006)

59% (2000)

59% (2001)

65% (2001)

54% (1998)

68% (2005)

57% (1998)

68% (2004)

60% (2001)