61% (1987)

56% (2010)

38% (2024)

64% (2017)

58% (2017)

60% (2023)

59% (2004)

60% (2009)

66% (1975)

60% (1981)

70% (2022)

57% (2007)

68% (2008)

57% (1995)

65% (2023)

58% (2019)

71% (2019)

60% (2016)

59% (2013)

59% (2015)