66% (1999)

68% (1999)

72% (1996)

60% (2001)

51% (2000)

69% (1998)

59% (1999)

45% (2009)

59% (1999)

50% (1996)

74% (1995)

58% (2000)

51% (2004)

67% (1999)

47% (2002)

55% (1999)

60% (2002)

60% (2000)

57% (1999)

48% (1995)