71% (2022)

68% (2018)

75% (2016)

52% (2015)

75% (2020)

56% (2011)

79% (2020)

64% (2022)

57% (2020)

73% (2021)

72% (1997)

55% (2009)

84% (2013)

57% (2009)

69% (2015)

64% (2004)

55% (2010)

77% (2010)

56% (2020)

49% (2007)