72% (2023)

64% (2016)

66% (1990)

61% (1994)

61% (1982)

47% (1976)

32% (1986)

56% (1995)

35% (2001)

0% (1980)

70% (2006)

80% (2014)

0% (2008)

0% (1983)

40% (1977)

70% (2012)

0% (1969)

0% (1969)

0% (2002)

0% (1980)