53% (2004)

67% (1999)

68% (1999)

68% (2000)

67% (1998)

66% (1997)

66% (1994)

69% (2014)

55% (2016)

65% (1997)

49% (2008)

47% (2011)

65% (2004)

78% (2014)

70% (1989)

80% (2014)

0% (1981)

0% (1992)

0% (2004)

0% (1963)