70% (1995)

38% (2005)

35% (2000)

0% (2003)

46% (2008)

50% (2018)

0% (1997)

0% (2003)

45% (1997)

25% (1995)

59% (2003)

0% (2013)

60% (1979)

70% (2010)

64% (2011)

0% (2003)

0% (1995)

20% (2001)

35% (2009)

72% (2013)