72% (1969)

74% (1983)

51% (1992)

70% (1996)

90% (2017)

52% (1971)

67% (2007)

69% (1974)

56% (1991)

75% (1997)

67% (2014)

71% (2006)

100% (1999)

90% (2011)

81% (1982)

75% (2011)

52% (1979)

0% (2002)

80% (1980)

75% (1988)