60% (2007)

66% (1985)

40% (2009)

60% (2002)

62% (1971)

54% (1974)

56% (1985)

43% (2000)

55% (2018)

56% (1977)

57% (1979)

71% (1984)

60% (1981)

46% (1997)

58% (1963)

58% (1975)

43% (1982)

20% (1981)

53% (2003)

50% (1975)