66% (2010)

43% (1994)

50% (1986)

63% (2001)

55% (2011)

56% (1986)

63% (1984)

63% (1996)

48% (2000)

49% (1990)

49% (1976)

54% (1989)

50% (1989)

59% (2006)

52% (1981)

62% (2013)

66% (2017)

35% (1984)

38% (1987)

61% (1999)