74% (1977)

67% (1970)

80% (1992)

69% (1971)

0% (2006)

70% (1992)

85% (1995)

80% (2007)

54% (1967)

60% (1977)

60% (2015)

0% (2003)

0% (2009)

40% (2018)

58% (1987)

0% (1970)

0% (1972)

82% (2016)

56% (2015)

60% (1970)