53% (2004)

69% (1995)

67% (1999)

68% (2000)

67% (1998)

66% (1997)

55% (2016)

69% (1999)

69% (2014)

68% (1994)

50% (2008)

65% (1997)

46% (2011)

0% (1997)

0% (2004)

78% (2014)

0% (1989)

0% (1981)

65% (2004)

0% (1963)