66% (1999)

69% (1999)

72% (1996)

45% (2009)

60% (2001)

58% (2000)

51% (2000)

69% (1998)

59% (1999)

50% (1996)

73% (1995)

59% (1999)

67% (1999)

51% (2004)

48% (1995)

57% (1999)

60% (2002)

57% (2001)

47% (2002)

55% (1999)