77% (2016)

78% (2013)

59% (2004)

72% (2015)

76% (2019)

55% (2011)

63% (2015)

73% (2015)

62% (2014)

62% (2016)

0% (2012)

53% (1999)

55% (2001)

66% (1979)

0% (2005)

50% (1981)

80% (2007)

32% (2004)

31% (1993)

0% (1990)