74% (1993)

65% (1984)

61% (1986)

68% (1994)

60% (2017)

51% (2011)

71% (1979)

55% (2014)

79% (1991)

67% (2004)

61% (2020)

64% (1971)

61% (2007)

59% (2016)

68% (2009)

78% (1990)

63% (1996)

53% (2015)

57% (2012)

69% (1987)