60% (2007)

41% (2009)

66% (1985)

61% (2002)

55% (2018)

68% (1978)

71% (1984)

56% (1985)

65% (1972)

68% (1984)

47% (1997)

65% (2005)

53% (1973)

47% (2016)

49% (1990)

56% (1977)

58% (1975)

57% (1974)

50% (2003)

60% (1981)