68% (1999)

66% (1999)

72% (1996)

51% (2000)

60% (2001)

58% (2000)

73% (1995)

69% (1998)

66% (1999)

57% (2001)

49% (1995)

44% (2009)

59% (1999)

47% (2002)

51% (1996)

60% (2000)

61% (2002)

55% (1999)

51% (2004)

57% (1999)