60% (1991)

67% (1994)

70% (1995)

74% (1999)

84% (1957)

67% (1992)

70% (2000)

63% (2001)

59% (1995)

67% (2004)

0% (2000)

0% (1998)

60% (1999)

52% (2002)

10% (1999)

35% (2024)

0% (1970)