67% (2013)

66% (2018)

67% (1997)

56% (2017)

62% (2018)

65% (2013)

76% (2016)

55% (2009)

53% (2016)

61% (2007)

68% (2018)

64% (2013)

61% (2016)

78% (2001)

57% (2007)

62% (2014)

66% (2018)

55% (2010)

55% (2018)

60% (2003)