48% (1988)

72% (2018)

61% (2023)

48% (2012)

62% (2022)

62% (2019)

56% (1964)

57% (1969)

48% (1967)

72% (2019)

55% (2007)

57% (1972)

56% (1983)

51% (1986)

60% (1996)

53% (2004)

53% (1977)

61% (2018)

72% (1991)

54% (2015)