90% (1997)

73% (1978)

55% (2016)

62% (1966)

60% (1961)

69% (1983)

75% (1964)

63% (2005)

72% (1975)

30% (1970)

0% (1984)

61% (2003)

85% (2006)

0% (1979)

72% (2004)

0% (1993)

50% (2008)

62% (1979)

68% (2012)

64% (1939)