60% (1978)

64% (2017)

58% (2013)

71% (2014)

64% (2020)

63% (2018)

54% (2015)

70% (2022)

58% (2012)

66% (2007)

50% (2022)

56% (1993)

64% (2017)

67% (2010)

60% (1989)

58% (2005)

64% (1976)

66% (2009)

65% (2013)

54% (1989)