55% (2014)

55% (2023)

64% (2022)

63% (1996)

64% (2006)

57% (2024)

60% (2020)

56% (2019)

62% (2009)

62% (2002)

58% (2007)

63% (1990)

53% (1975)

64% (2007)

69% (2002)

61% (2003)

61% (2000)

60% (2008)

59% (2020)

69% (1994)