83% (1998)

72% (2000)

64% (1997)

59% (2001)

69% (1998)

55% (2006)

58% (2003)

58% (2003)

59% (1998)

72% (1998)

60% (1997)

63% (1998)

54% (1999)

73% (1999)

60% (2012)

69% (2000)

64% (1998)

48% (2000)

55% (1997)