50% (1999)

70% (2004)

55% (1961)

70% (1958)

45% (1951)

60% (1949)

75% (2005)

25% (2001)

60% (1955)

50% (1981)

85% (2001)

70% (1938)

35% (1978)

40% (1958)

35% (1984)

65% (1970)

45% (2006)

85% (1998)

0% (1984)

60% (2013)