70% (1989)

61% (1991)

69% (2003)

69% (1998)

68% (2004)

60% (2007)

64% (1987)

66% (2005)

67% (1995)

74% (2018)

62% (1992)

66% (1999)

63% (2015)

72% (2011)

62% (2008)

72% (2023)

63% (1986)

60% (2003)

55% (2009)

0% (2018)