71% (1965)

57% (2011)

70% (1999)

50% (2008)

57% (2018)

52% (1981)

68% (2004)

71% (2020)

58% (2014)

64% (2010)

74% (2014)

58% (1976)

60% (1988)

52% (1992)

52% (2018)

67% (1977)

54% (2021)

50% (2015)

0% (1970)

68% (2017)