20% (2012)

64% (2011)

60% (2006)

38% (2012)

0% (1970)

0% (2025)

55% (2012)

55% (2008)

30% (2007)

17% (2005)

49% (2015)

50% (2009)

47% (2005)

33% (2008)

0% (2006)

23% (2007)

54% (2006)

71% (2010)

25% (2006)

44% (2011)