70% (2007)

71% (2003)

0% (2003)

70% (2001)

0% (2009)

87% (2011)

0% (2008)

0% (1997)

70% (2008)

55% (2008)

0% (1970)

0% (2007)

63% (2015)

71% (2010)

67% (2013)

10% (2010)

75% (2007)

90% (2017)

90% (1978)

0% (2012)