70% (1989)

61% (1991)

69% (2003)

64% (1987)

68% (2004)

74% (2018)

69% (1998)

60% (2007)

62% (1992)

66% (2005)

67% (1995)

66% (1999)

72% (2011)

72% (2023)

63% (2015)

62% (2008)

63% (1986)

55% (2010)

60% (2003)

0% (2018)