60% (1990)

65% (1999)

0% (1997)

35% (2007)

66% (2009)

64% (2014)

45% (1975)

60% (1960)

56% (2017)

0% (1966)

65% (2004)

81% (1983)

60% (1970)

60% (2017)

70% (1975)

50% (1961)

65% (2002)

65% (1979)

58% (1988)

74% (1982)