64% (2025)

68% (2024)

57% (2023)

56% (2016)

48% (2017)

72% (2022)

65% (2010)

47% (2023)

63% (2017)

64% (2013)

58% (2005)

61% (2018)

59% (2019)

70% (2008)

0% (1970)

60% (2009)

48% (2023)

40% (2024)

63% (2019)

69% (2016)