79% (2000)

58% (2012)

51% (2006)

74% (2008)

62% (2003)

58% (2008)

65% (2010)

58% (2007)

52% (2004)

60% (2013)

47% (2000)

50% (2010)

75% (2003)

58% (2001)

50% (2005)

42% (2002)

40% (1999)

0% (2011)

0% (2000)

33% (2010)