71% (2001)

65% (2008)

63% (2001)

70% (2006)

58% (2004)

59% (1999)

56% (2006)

72% (2000)

67% (1995)

63% (2000)

72% (2005)

57% (2008)

55% (2003)

57% (2000)

62% (2000)

0% (1987)

52% (2008)

60% (2007)

100% (2000)

0% (1984)