30% (2011)

90% (2016)

20% (2006)

70% (2015)

71% (2016)

0% (2005)

31% (2003)

80% (2012)

31% (2001)

59% (1998)

50% (2018)

0% (2012)

55% (2013)

0% (2008)

0% (2008)

50% (2001)

63% (2009)

75% (2010)

87% (2016)

71% (2011)