72% (2012)

62% (1994)

44% (2013)

32% (1999)

51% (1971)

60% (1988)

69% (1981)

48% (1968)

53% (2020)

45% (1996)

67% (2005)

64% (1918)

68% (2003)

58% (2009)

40% (2023)

68% (1978)

50% (1964)

55% (1969)

54% (1995)

52% (1989)