73% (1990)

82% (2012)

81% (2011)

71% (2007)

82% (1999)

40% (2017)

65% (1992)

65% (2009)

0% (2006)

59% (1991)

0% (2003)

65% (2017)

73% (2015)

76% (2007)

85% (1976)

0% (2014)

83% (2014)

0% (2005)

0% (1986)

73% (1996)