50% (2015)

62% (2011)

67% (1987)

63% (2008)

59% (2001)

57% (1981)

68% (2014)

73% (1954)

0% (1959)

70% (2014)

55% (2016)

68% (2008)

80% (2003)

56% (2006)

90% (2008)

0% (1989)

0% (1976)

38% (2009)

40% (1981)

60% (2014)