67% (2006)

65% (2007)

47% (2013)

69% (2003)

61% (2008)

56% (2006)

53% (2002)

74% (2004)

70% (2001)

62% (2007)

60% (2005)

63% (2006)

61% (2007)

53% (2005)

52% (2009)

45% (2002)

61% (2011)

51% (2000)

71% (2006)

62% (2001)