70% (2018)

0% (1998)

70% (1988)

54% (1972)

85% (2007)

60% (2005)

67% (1996)

73% (2004)

83% (2017)

74% (2010)

79% (2014)

62% (2011)

73% (2008)

59% (2011)

50% (2012)

60% (1981)

90% (1991)

76% (2015)

68% (1973)

0% (1980)