60% (1988)

40% (2005)

53% (2006)

56% (2007)

44% (2014)

69% (1944)

53% (2015)

78% (2019)

62% (2019)

54% (2019)

45% (2005)

65% (1969)

57% (1964)

63% (2018)

51% (2018)

57% (2009)

42% (2014)

55% (1966)

60% (2018)

55% (2015)