71% (1973)

50% (1975)

47% (2019)

67% (2018)

70% (2020)

40% (1994)

66% (2013)

63% (2012)

76% (1947)

57% (2005)

67% (2020)

62% (2009)

54% (2008)

10% (2007)

54% (2009)

50% (2008)

43% (2006)

41% (1998)

30% (2018)

66% (2019)