57% (2001)

56% (1966)

60% (1981)

0% (1957)

40% (1959)

70% (1986)

0% (1990)

0% (2006)

60% (1996)

90% (1979)

0% (1988)

40% (1999)

60% (1985)

0% (1998)

0% (1993)

0% (1986)