71% (2022)

68% (2018)

75% (2020)

52% (2015)

74% (2016)

49% (2007)

58% (2009)

65% (2022)

73% (2021)

57% (2020)

69% (2015)

57% (2013)

72% (1997)

78% (2020)

61% (2015)

84% (2013)

55% (2010)

54% (2009)

56% (2011)

48% (2008)