76% (2002)

0% (2015)

100% (2011)

50% (1997)

65% (2010)

30% (2007)

75% (2001)

12% (2007)

82% (2007)

20% (2017)

60% (1985)

40% (1996)

56% (1987)

40% (2009)

33% (2014)

80% (2014)

20% (2008)

20% (2006)

78% (2009)

47% (2009)