70% (2008)

75% (2008)

30% (2007)

75% (2011)

79% (2014)

20% (1989)

83% (2003)

80% (2009)

0% (1990)

10% (2011)

0% (2003)

80% (2003)

100% (1990)

81% (2012)

75% (2012)

55% (1997)

0% (2000)

77% (2009)

69% (2005)

43% (2002)