83% (1998)

59% (2001)

64% (1997)

54% (2006)

72% (2000)

72% (1999)

72% (1998)

57% (2003)

60% (1997)

68% (1998)

54% (1999)

57% (2003)

59% (1998)

69% (2000)

63% (1998)

60% (2012)

48% (2000)

55% (1997)