70% (2007)

62% (2013)

30% (2015)

100% (2013)

70% (2010)

0% (2008)

80% (2006)

80% (2016)

0% (2003)

80% (2008)

0% (2013)

0% (2012)

0% (2005)

0% (2017)

0% (2006)

0% (2015)

0% (1970)

0% (2013)

0% (1999)

0% (2017)