53% (1988)

61% (1999)

62% (2002)

79% (2023)

60% (2023)

74% (2022)

48% (2018)

64% (2016)

72% (2016)

56% (2017)

56% (2015)

67% (2014)

61% (2014)

55% (2014)

68% (2011)

54% (2011)

71% (1994)

53% (2002)

63% (1998)

65% (2009)