71% (2008)

32% (2014)

43% (2013)

56% (2016)

41% (2013)

69% (1997)

70% (2011)

65% (1999)

70% (1998)

35% (2015)

65% (2002)

60% (2008)

0% (2009)

0% (2016)

85% (2002)

60% (2010)

50% (1996)