38% (2004)

50% (2010)

59% (2017)

86% (2013)

72% (2007)

83% (2015)

60% (1980)

72% (1990)

75% (1964)

75% (2002)

39% (1988)

80% (2003)

74% (1964)

51% (2002)

79% (1982)

80% (1988)

80% (2014)

55% (1992)

75% (2008)

72% (2011)