65% (2024)

73% (2022)

70% (2022)

64% (2012)

68% (2004)

58% (2012)

69% (2023)

58% (2013)

62% (2018)

59% (2019)

63% (2014)

60% (2016)

41% (2015)

62% (2010)

0% (1970)

57% (2016)

52% (2018)

48% (2014)

62% (2020)

57% (2017)