50% (1994)

60% (1951)

50% (2001)

90% (2009)

82% (2015)

70% (1964)

74% (2004)

40% (1961)

73% (2017)

60% (1989)

53% (1959)

68% (1999)

65% (2011)

60% (2014)

0% (1958)

75% (1976)

55% (2011)

63% (1980)

0% (1992)

66% (1970)