71% (1997)

59% (2021)

54% (1978)

52% (2021)

73% (2004)

60% (2020)

53% (1980)

61% (1995)

69% (1994)

78% (2003)

69% (2012)

69% (2003)

62% (2008)

0% (1970)

61% (2020)

67% (2017)

61% (2014)

76% (2013)

67% (1956)

54% (2017)