38% (2004)

59% (2017)

50% (2010)

85% (2013)

83% (2015)

72% (2007)

75% (1964)

60% (1980)

74% (1964)

75% (2002)

39% (1988)

80% (2003)

72% (1990)

51% (2002)

75% (2008)

50% (2011)

80% (1988)

70% (1996)

83% (2012)

44% (1997)