76% (2023)

77% (1997)

75% (1966)

61% (2002)

63% (2009)

69% (1970)

40% (1976)

51% (1974)

80% (1986)

48% (2010)

65% (2010)

57% (2007)

40% (1967)

53% (1998)

60% (1995)

66% (1988)

46% (1996)

64% (2011)

59% (2000)

67% (2000)