81% (1982)

60% (1970)

70% (2010)

0% (2002)

49% (1971)

74% (2015)

35% (1951)

76% (1959)

0% (2009)

67% (2005)

0% (2003)

81% (1997)

74% (2011)

50% (2008)

57% (2015)

0% (1997)

80% (2005)

79% (2012)

60% (2010)

10% (2003)