71% (1986)

48% (2006)

57% (1976)

74% (2018)

56% (2011)

35% (2004)

61% (1965)

62% (2004)

47% (2017)

68% (2001)

75% (1999)

49% (2002)

65% (2021)

68% (2013)

57% (2020)

69% (2021)

73% (1963)

73% (2012)

71% (2014)

60% (2006)