68% (1997)

58% (1984)

45% (2007)

52% (2015)

56% (2014)

64% (2017)

68% (2004)

54% (1963)

73% (1960)

65% (2009)

60% (1999)

59% (1989)

52% (1982)

51% (2019)

56% (2013)

20% (1992)

65% (2013)

72% (1960)

55% (1992)

63% (2018)