80% (2006)

55% (2015)

60% (2015)

80% (2017)

70% (2002)

75% (1990)

70% (2017)

62% (2013)

45% (2013)

70% (2003)

70% (2017)

50% (2008)

70% (1994)

70% (2007)

0% (2012)