66% (1999)

69% (1999)

72% (1996)

51% (2000)

73% (1995)

72% (1998)

67% (1999)

70% (1998)

60% (1999)

44% (2009)

58% (2000)

57% (1999)

51% (1996)

55% (1999)

47% (2002)

61% (2002)

56% (2001)

49% (1995)

60% (2000)

51% (2004)