51% (1970)

32% (2010)

58% (1991)

67% (1969)

61% (1967)

55% (1933)

71% (2015)

25% (1985)

42% (1999)

57% (2003)

56% (1987)

57% (1999)

70% (1966)

54% (2019)

59% (1964)

62% (2010)

65% (2014)

60% (1982)

58% (1990)

46% (1990)