31% (2005)

77% (2016)

53% (2013)

63% (2002)

78% (2001)

73% (2005)

64% (2008)

74% (1998)

72% (1989)

60% (2014)

48% (2017)

65% (2003)

73% (2007)

68% (2012)

64% (2009)

10% (2008)

56% (2017)

74% (1994)

0% (2005)

70% (2017)