60% (2000)

66% (1996)

68% (2002)

42% (2009)

85% (1999)

61% (1959)

0% (1989)

70% (1998)

62% (2008)

55% (1983)

89% (1982)

61% (2000)

50% (1975)

50% (1996)

56% (1956)

61% (2000)

50% (2003)

0% (1989)

67% (1992)

0% (1979)