70% (1989)

68% (2003)

62% (1992)

62% (1991)

67% (2004)

67% (1995)

73% (2018)

66% (1999)

69% (2023)

72% (2011)

65% (2005)

59% (2007)

56% (2009)

69% (1998)

62% (2015)

66% (1987)

61% (2008)

64% (1986)

0% (2009)

57% (1998)