71% (2024)

62% (2023)

64% (2022)

64% (2020)

77% (2023)

54% (2017)

63% (2021)

65% (2022)

60% (2019)

58% (2021)

58% (2016)

0% (2025)

46% (2017)

51% (2014)

80% (2015)

56% (2018)

70% (2013)

80% (2016)

65% (2015)

0% (1970)