62% (1968)

63% (2020)

67% (1997)

62% (2021)

60% (2018)

60% (2013)

64% (2016)

61% (2013)

61% (1992)

59% (2007)

59% (2015)

65% (2017)

54% (2013)

60% (2004)

61% (1988)

57% (2015)

67% (2015)

57% (2016)

72% (2009)

64% (2007)