63% (1996)

38% (2005)

44% (1999)

60% (1977)

40% (1992)

50% (2006)

50% (2018)

81% (1967)

20% (2006)

20% (1999)

55% (2008)

90% (1948)

66% (2004)

52% (1981)

65% (1955)

45% (1997)

66% (1996)

68% (1952)

60% (2005)

0% (1998)