69% (2019)

65% (2017)

42% (1996)

59% (2001)

55% (1997)

56% (1987)

67% (1980)

55% (1990)

67% (2015)

59% (2011)

69% (1996)

77% (1978)

68% (2012)

70% (1996)

71% (2004)

55% (2008)

61% (2024)

64% (2018)

60% (1988)

63% (1966)