62% (2004)

81% (2018)

71% (2011)

74% (2013)

71% (2000)

51% (2014)

45% (1993)

78% (1988)

71% (2013)

78% (2009)

67% (2012)

71% (2005)

50% (1998)

66% (2011)

64% (2009)

68% (2012)

67% (2015)

74% (2007)

74% (1998)

30% (2004)