74% (1997)

73% (2006)

66% (1981)

56% (1984)

73% (1989)

73% (2018)

0% (2009)

50% (2007)

79% (1975)

67% (2005)

65% (2006)

58% (2022)

65% (2000)

59% (1988)

80% (1981)

90% (1970)

97% (2010)

0% (1996)

80% (2007)

60% (1999)