0% (1973)

10% (1989)

0% (2003)

0% (1986)

88% (1989)

0% (2013)

0% (1985)

0% (1981)

70% (1988)

77% (1983)

80% (1977)

70% (1994)

0% (2020)

50% (1976)

0% (1992)