80% (2009)

60% (2001)

52% (2001)

61% (2000)

75% (2010)

68% (2000)

76% (2003)

70% (2001)

72% (2007)

66% (2004)

62% (2004)

64% (2004)

70% (2005)

52% (2007)

65% (2008)

67% (2004)

71% (2003)

61% (2011)

63% (2009)

47% (2002)