61% (1973)

0% (2007)

60% (1981)

55% (2011)

51% (2015)

60% (1943)

50% (2010)

56% (1979)

62% (1959)

67% (2009)

65% (1993)

60% (1991)

68% (2001)

69% (1991)

90% (2013)

50% (1913)

47% (1970)

57% (1975)

40% (1999)

65% (1984)