70% (2015)

0% (1963)

30% (2009)

60% (2000)

77% (2009)

65% (1974)

69% (1983)

53% (2013)

20% (2006)

76% (2013)

60% (2001)

86% (2004)

32% (1997)

30% (2001)

83% (2011)

64% (1993)

76% (2003)

53% (2007)

63% (1999)

50% (1964)