64% (2016)

43% (1996)

64% (1994)

54% (1986)

53% (2007)

35% (2004)

56% (1940)

44% (2010)

66% (1972)

64% (1992)

53% (2016)

46% (2017)

60% (2001)

41% (2013)

56% (1994)

54% (2005)

59% (2015)

51% (2006)

44% (1978)

53% (2011)