66% (1985)

60% (2007)

40% (2009)

61% (2002)

56% (1977)

68% (1978)

47% (2016)

53% (1973)

71% (1984)

56% (1985)

55% (2018)

51% (2008)

68% (1984)

57% (1974)

50% (1975)

62% (1971)

40% (1977)

60% (1992)

20% (1976)

60% (1963)