75% (2001)

64% (2004)

63% (2005)

67% (2001)

44% (2002)

64% (2004)

55% (2006)

71% (2006)

82% (2005)

55% (2003)

62% (2008)

55% (2002)

48% (2003)

65% (2010)

62% (2005)

63% (2005)

64% (2006)

61% (2003)

75% (2005)

65% (2007)