60% (2011)

61% (2012)

66% (2000)

71% (2001)

40% (2005)

57% (2008)

50% (2011)

100% (2013)

70% (2001)

63% (2012)

50% (2010)

66% (2006)

66% (2010)

42% (2013)

67% (2013)

73% (2006)

0% (2008)

65% (2013)

54% (2008)

37% (2012)