63% (2014)

63% (2010)

58% (2009)

68% (2012)

71% (2007)

60% (2014)

55% (2010)

65% (2007)

58% (2000)

61% (2007)

65% (2007)

50% (2004)

59% (2006)

58% (2004)

39% (2007)

58% (2002)

53% (2005)

39% (2000)

0% (2005)

30% (1994)