73% (1998)

72% (2001)

69% (2000)

5% (1978)

71% (1986)

73% (1994)

0% (1991)

74% (2015)

56% (2012)

68% (1993)

68% (2009)

85% (2007)

67% (1998)

40% (2017)

80% (1971)

78% (2003)

52% (2016)

58% (2016)

0% (1986)

0% (1985)