71% (2017)

0% (1998)

55% (1986)

55% (1988)

10% (1995)

67% (1984)

72% (2007)

0% (1988)

60% (1996)

45% (1975)

70% (1963)

0% (1994)

70% (1997)

70% (2003)

69% (1998)

50% (1962)

81% (2004)

55% (1977)

0% (2000)

50% (1978)