75% (2001)

64% (2004)

55% (2006)

63% (2005)

62% (2008)

67% (2001)

82% (2005)

71% (2006)

44% (2002)

49% (2003)

55% (2003)

55% (2002)

61% (2004)

75% (2005)

55% (2005)

53% (2007)

64% (2004)

62% (2009)

61% (2003)

49% (2004)