63% (1998)

70% (1984)

58% (2015)

46% (2002)

60% (1982)

59% (2007)

66% (1987)

62% (2003)

57% (2009)

61% (1982)

67% (2012)

58% (1981)

58% (1987)

53% (1983)

57% (1985)

51% (1986)

41% (1987)

61% (1987)

56% (1987)

56% (1996)