0% (2004)

30% (2011)

30% (1983)

0% (1965)

60% (1985)

60% (1973)

0% (1991)

40% (2001)

100% (2003)

50% (1994)

40% (2002)

0% (1988)

0% (1995)

0% (1994)

0% (2003)

48% (2008)

40% (2004)

45% (1985)

30% (2002)

0% (2006)