70% (2023)

64% (1996)

60% (1991)

54% (2017)

78% (2018)

62% (2019)

66% (2018)

60% (2020)

60% (2023)

59% (2013)

65% (2016)

56% (2011)

55% (2021)

61% (2008)

63% (2011)

53% (1973)

54% (2005)

68% (2012)

60% (1992)

44% (2013)