69% (2005)

58% (2010)

52% (2020)

53% (1975)

65% (2003)

63% (1999)

69% (1960)

71% (2012)

69% (1938)

62% (1959)

64% (1995)

53% (1996)

48% (2016)

69% (2024)

40% (2021)

66% (2015)

56% (2018)

73% (2010)

56% (2020)

69% (2011)