73% (1998)

69% (2000)

56% (2012)

73% (1994)

71% (1986)

67% (1998)

40% (2017)

70% (1986)

5% (1978)

0% (1986)

69% (1993)

0% (1991)

78% (2003)

68% (2009)

0% (1975)

74% (2015)

80% (1971)

58% (2016)

100% (1992)

10% (1997)