67% (2005)

55% (2003)

56% (2008)

66% (2004)

64% (2001)

68% (2003)

58% (2013)

37% (2000)

51% (2002)

49% (1999)

56% (1998)

56% (1998)

50% (2001)

61% (2000)

60% (2003)

62% (2000)

80% (1998)

40% (2000)

29% (1998)

60% (2003)