70% (2005)

56% (2017)

44% (1986)

23% (2009)

0% (1975)

76% (2014)

76% (1963)

18% (2007)

58% (2014)

74% (2011)

54% (2016)

55% (2009)

56% (2018)

53% (1987)

62% (2016)

56% (2010)

61% (2013)

44% (2003)

0% (2024)

57% (2015)