100% (2009)

80% (2005)

0% (1991)

0% (1996)

0% (2010)

70% (1961)

80% (1985)

0% (1982)

69% (1982)

65% (1980)

60% (1992)

80% (2001)

0% (1991)

0% (1969)

40% (1977)

80% (1989)

40% (1995)

0% (1972)

0% (2018)

60% (1972)