78% (2004)

62% (2009)

60% (2005)

80% (2002)

70% (2014)

58% (1995)

0% (2002)

80% (2006)

25% (2008)

0% (1998)

70% (2011)

55% (2013)

71% (2005)

40% (1995)

0% (2010)

45% (2011)

0% (2005)

48% (2007)

0% (2004)

70% (2007)