67% (1982)

62% (1979)

60% (2021)

62% (1984)

61% (2008)

59% (2018)

62% (1980)

57% (1989)

64% (2004)

61% (2014)

62% (2003)

60% (2015)

71% (2011)

69% (2016)

52% (2017)

67% (2011)

66% (2010)

60% (2018)

53% (1975)

0% (1931)