75% (1986)

69% (1987)

81% (1980)

66% (1993)

68% (1981)

61% (1995)

62% (2005)

57% (1989)

69% (1982)

57% (1991)

68% (1983)

53% (1986)

72% (1987)

57% (1980)

65% (1984)

67% (1982)

60% (1992)

35% (1978)

68% (2015)

0% (2012)