0% (1970)

53% (1957)

50% (1993)

55% (1987)

54% (2022)

47% (1987)

49% (2000)

47% (2013)

20% (1976)

43% (1986)

60% (2007)

56% (1976)

59% (2019)

57% (1996)

56% (1958)

54% (1990)

63% (2004)

51% (1951)

41% (2013)

59% (2000)