64% (2022)

71% (2024)

63% (2017)

67% (2016)

69% (2013)

70% (2013)

68% (2018)

66% (2020)

56% (2009)

56% (2014)

55% (2011)

64% (2013)

61% (2013)

56% (2013)

62% (2021)

64% (2012)

68% (2021)

72% (2010)

62% (2013)

77% (2020)