69% (1997)

64% (2015)

61% (2014)

59% (2016)

65% (2007)

61% (2016)

60% (2001)

60% (2012)

62% (2015)

71% (2022)

57% (2020)

66% (2016)

55% (2001)

67% (2015)

56% (2012)

64% (2022)

60% (2001)

78% (2012)

66% (2013)

67% (2005)