58% (2016)

69% (2006)

72% (2004)

56% (1993)

67% (1987)

59% (1983)

58% (1995)

58% (2001)

56% (1999)

52% (1991)

62% (1975)

50% (1995)

66% (1997)

58% (1992)

50% (1987)

60% (2007)

80% (2012)

90% (2023)

0% (2009)

0% (2013)