71% (2010)

70% (2005)

80% (2011)

42% (2006)

76% (2007)

81% (2019)

59% (2016)

73% (2011)

65% (2009)

77% (1992)

62% (1984)

48% (2009)

0% (1982)

64% (2016)

62% (2012)

71% (1986)

55% (2012)

51% (2000)

62% (1995)

0% (1984)