26% (1997)

50% (2001)

50% (2003)

52% (2006)

66% (2004)

82% (2003)

62% (2007)

49% (2011)

67% (1984)

55% (2008)

41% (2000)

53% (2002)

80% (2016)

77% (2013)

0% (2009)

70% (2016)

67% (2004)

62% (1987)

48% (2007)

67% (1999)