64% (2021)

55% (2014)

58% (2020)

72% (2016)

63% (2015)

61% (2024)

69% (2011)

62% (1998)

68% (2022)

63% (2020)

70% (1991)

79% (1996)

60% (2013)

58% (2010)

63% (2024)

56% (2018)

69% (2020)

66% (1999)

76% (1991)

39% (1975)