50% (2000)

0% (1968)

40% (1987)

0% (1950)

0% (1958)

75% (1970)

0% (1982)

0% (1983)

90% (1958)

50% (1994)

10% (1983)

70% (1960)

60% (1986)

0% (1968)

70% (1984)

50% (1999)

0% (1992)

20% (2005)

100% (1950)

0% (2017)