56% (1972)

55% (1967)

0% (1985)

59% (2013)

30% (1975)

0% (1955)

70% (1992)

70% (1980)

50% (1986)

0% (1998)

52% (1997)

72% (1996)

39% (1992)

61% (2009)

50% (1986)

53% (1999)

60% (1992)

42% (2012)

47% (1996)

50% (1992)