62% (1997)

70% (1978)

44% (1992)

60% (2006)

57% (2005)

65% (2009)

68% (2014)

80% (2010)

50% (1983)

90% (2005)

55% (2008)

44% (1985)

55% (1999)

63% (1998)

0% (1997)

49% (1996)

59% (2012)

41% (2013)

50% (1981)

69% (1984)