70% (2015)

64% (2014)

60% (2014)

60% (2013)

66% (2011)

68% (1976)

78% (2010)

63% (1966)

61% (1984)

76% (1966)

71% (2005)

62% (1998)

46% (2005)

62% (2008)

67% (1997)

60% (2004)

46% (2021)

60% (2022)

78% (2021)

80% (2020)