61% (1972)

57% (1979)

35% (1973)

0% (1993)

44% (1979)

56% (2015)

58% (2010)

50% (2006)

61% (1967)

54% (1998)

58% (1986)

50% (1977)

61% (1997)

54% (1994)

63% (2012)

43% (1976)

0% (1989)

62% (1972)

63% (1976)

60% (1992)