57% (2006)

67% (1989)

54% (2001)

61% (2015)

67% (1997)

69% (1993)

66% (1999)

49% (2008)

69% (1991)

56% (1995)

70% (2022)

76% (1980)

45% (2007)

45% (2010)

72% (1986)

70% (1983)

73% (2005)

80% (2014)

0% (1970)