77% (2008)

67% (2013)

70% (2010)

71% (2005)

0% (1999)

74% (2015)

71% (2018)

78% (2003)

65% (2003)

71% (2010)

78% (2008)

60% (2012)

75% (2006)

61% (2011)

68% (2012)

63% (2014)

83% (2010)

71% (2015)

69% (2006)

0% (1996)