51% (2013)

56% (2012)

51% (2018)

32% (2002)

62% (2016)

52% (2021)

56% (2016)

53% (2011)

49% (2007)

71% (1975)

52% (2023)

58% (2024)

61% (2008)

60% (2018)

68% (1966)

69% (2017)

71% (2007)

46% (1962)

50% (2007)

75% (1985)