50% (1977)

80% (1997)

80% (2016)

90% (2011)

0% (1975)

75% (1999)

57% (1969)

67% (2018)

60% (1978)

60% (2021)

10% (1969)

60% (1992)

0% (1986)

53% (1978)

50% (1972)

10% (1974)

66% (1977)

30% (1987)

0% (2011)

60% (1989)