50% (1971)

60% (1988)

80% (1970)

50% (1995)

10% (1987)

20% (1980)

0% (1976)

0% (1966)

80% (1986)

80% (1970)

70% (1970)

100% (1970)

100% (1970)

70% (1983)

80% (1988)

70% (2020)

0% (2017)

0% (2011)

50% (1978)

10% (1978)