83% (2003)

70% (2006)

78% (2004)

79% (2003)

72% (2008)

69% (2005)

60% (2005)

67% (2007)

67% (2007)

42% (2008)

71% (2004)

61% (2008)

61% (2004)

64% (2004)

40% (2007)

67% (2006)

53% (2007)

70% (2004)

57% (2008)

50% (2004)