72% (2006)

62% (1986)

30% (2005)

65% (2019)

60% (1994)

69% (2013)

66% (2010)

58% (1989)

52% (1994)

70% (1979)

56% (2009)

64% (2003)

63% (2018)

58% (1998)

61% (2009)

61% (2000)

58% (1995)

76% (1994)

40% (2017)

75% (1936)