69% (1999)

66% (1999)

72% (1996)

51% (2000)

60% (2001)

74% (1995)

70% (1998)

58% (2000)

45% (2009)

59% (1999)

67% (1999)

59% (1999)

50% (1996)

48% (1995)

60% (2002)

57% (1999)

47% (2002)

57% (2001)

51% (2004)

55% (1999)