68% (1975)

61% (1974)

52% (1971)

60% (1975)

72% (1998)

77% (1996)

0% (2014)

67% (1986)

54% (1994)

60% (1973)

0% (1979)

0% (1977)

43% (1974)

0% (1973)

59% (1974)

25% (1999)

50% (1990)

0% (1975)

0% (1992)

20% (2018)