64% (2006)

60% (2002)

70% (2010)

80% (2004)

0% (1963)

65% (2023)

60% (2009)

58% (1995)

0% (2013)

57% (2003)

0% (2008)

76% (2005)

10% (2012)

90% (1990)

60% (1975)

75% (1998)

48% (1992)

80% (2000)

62% (1985)

78% (1981)