74% (1990)

61% (2009)

78% (2013)

72% (2013)

53% (2017)

72% (1998)

71% (1994)

68% (2015)

68% (1991)

52% (1999)

61% (1986)

65% (1993)

62% (1998)

59% (2019)

70% (1979)

59% (1990)

68% (1991)

64% (1976)

47% (2007)

50% (1998)