65% (2004)

75% (2006)

69% (2011)

65% (2006)

67% (2007)

67% (2002)

74% (2002)

71% (2004)

60% (2011)

54% (2009)

66% (2002)

40% (2003)

64% (2001)

57% (2008)

58% (2010)

68% (2007)

80% (2010)

53% (2003)

0% (2006)

73% (2009)