59% (2014)

63% (1978)

56% (1944)

53% (2009)

62% (1989)

49% (1985)

35% (2006)

58% (1973)

45% (2007)

48% (2011)

49% (2016)

66% (2016)

40% (1996)

42% (2015)

46% (2001)

66% (1994)

50% (1995)

47% (2015)

50% (1977)

60% (1990)