60% (2001)

20% (2016)

60% (1993)

0% (1989)

56% (2010)

70% (1992)

40% (1982)

43% (1996)

45% (1972)

0% (1970)

0% (2007)

50% (1996)

50% (1993)

48% (1978)

60% (1977)

53% (1992)

47% (2001)

60% (2004)

0% (1990)

55% (1998)