59% (2007)

66% (1987)

57% (2015)

60% (1982)

57% (2009)

69% (1984)

63% (1998)

62% (2003)

67% (2012)

46% (2002)

62% (1982)

58% (1981)

58% (1987)

53% (1983)

51% (1986)

58% (2002)

41% (1987)

56% (1987)

56% (1996)

70% (1983)