68% (2015)

78% (2013)

74% (1990)

53% (2017)

61% (2009)

72% (1998)

73% (2013)

71% (1994)

61% (1986)

68% (1991)

64% (1993)

69% (1979)

69% (1991)

62% (1998)

52% (1999)

59% (1990)

59% (2019)

55% (2011)

60% (1975)

62% (1996)