66% (1971)

56% (2009)

45% (1978)

10% (1978)

65% (1970)

43% (2002)

60% (1992)

61% (1985)

20% (1972)

40% (2002)

54% (2016)

10% (1994)

42% (1987)

0% (2000)

0% (1990)

0% (1964)

54% (2011)

58% (1980)

10% (1993)

37% (2004)