64% (2020)

63% (2021)

59% (2019)

61% (2009)

60% (2023)

38% (2012)

42% (2010)

52% (1980)

61% (1993)

50% (2024)

58% (2020)

41% (2011)

61% (1964)

62% (1968)

62% (2015)

0% (1970)

58% (1989)

60% (2015)

55% (2024)

63% (2007)