52% (2002)

52% (1970)

61% (2011)

47% (1985)

46% (1988)

59% (2022)

67% (1977)

51% (1975)

64% (1969)

58% (2012)

51% (1998)

43% (1983)

40% (2015)

56% (1975)

50% (1983)

70% (1952)

57% (2009)

51% (1997)

64% (1962)

60% (1962)