71% (2024)

77% (2023)

64% (2020)

54% (2017)

65% (2022)

63% (2021)

61% (2023)

60% (2019)

64% (2022)

58% (2021)

58% (2016)

70% (2013)

46% (2017)

0% (2025)

53% (2014)

80% (2016)

80% (2015)

56% (2018)

65% (2015)

0% (1970)