63% (2004)

78% (2009)

71% (2011)

81% (2018)

71% (2013)

78% (1988)

71% (2000)

67% (2012)

50% (1998)

73% (2013)

55% (1991)

30% (2004)

66% (2012)

51% (2014)

67% (2015)

69% (2016)

67% (2003)

64% (2009)

0% (2011)

74% (2007)