63% (1975)

47% (1982)

30% (2000)

47% (2004)

45% (2005)

0% (1984)

38% (1995)

52% (1992)

30% (1988)

60% (2004)

50% (1997)

0% (1968)

72% (1971)

47% (2004)

70% (1993)

75% (2023)

60% (1994)

60% (1979)

49% (1995)

10% (1983)