30% (2007)

76% (2016)

83% (2003)

60% (1997)

20% (2013)

60% (2005)

0% (2008)

15% (2009)

100% (2009)

0% (2001)

40% (2001)

75% (2000)

50% (2004)

0% (2008)

0% (2000)

40% (2012)

0% (2002)

0% (2009)

37% (1997)

74% (2014)