46% (1953)

68% (2015)

51% (2014)

68% (1988)

47% (2012)

68% (2008)

100% (2010)

52% (1970)

45% (1967)

60% (1968)

53% (2013)

53% (1999)

70% (2016)

49% (2018)

56% (2005)

57% (2009)

59% (2004)

75% (1955)

63% (1962)

0% (1922)