74% (2007)

68% (1999)

73% (2007)

54% (2005)

63% (2005)

72% (2006)

52% (2008)

60% (2004)

68% (1984)

52% (2002)

0% (2007)

0% (2014)

54% (2002)

48% (2001)

0% (1982)

0% (2012)