71% (2005)

81% (2007)

50% (2008)

77% (2009)

70% (2014)

77% (2008)

58% (2011)

72% (2015)

81% (2013)

73% (2001)

60% (2011)

72% (2013)

72% (2008)

80% (2006)

65% (2010)

70% (2015)

0% (2008)

61% (2014)

57% (2016)

68% (2019)