50% (2009)

45% (2006)

0% (1998)

0% (2008)

70% (2009)

60% (2016)

45% (2008)

0% (2009)

0% (2006)

68% (1999)

40% (2009)

50% (2011)

50% (2009)

80% (2008)

60% (2006)

0% (1995)

0% (2008)

10% (1996)

0% (2002)

0% (2010)