82% (2016)

71% (1997)

61% (1994)

81% (2009)

54% (1992)

60% (1987)

67% (2008)

62% (2013)

56% (2001)

56% (1991)

56% (1994)

56% (2017)

56% (1982)

60% (2014)

55% (1993)

70% (1991)

59% (2017)

0% (1970)

0% (1970)

0% (1970)