71% (2006)

67% (2015)

70% (2015)

62% (2019)

61% (2015)

71% (2008)

64% (1984)

73% (1987)

69% (2002)

65% (2004)

66% (2015)

63% (1997)

77% (1994)

65% (2016)

47% (2010)

62% (2017)

51% (2013)

52% (1986)

60% (2019)

58% (2003)