0% (2006)

55% (2009)

68% (2012)

75% (2011)

30% (2002)

72% (2011)

71% (2015)

50% (2013)

75% (2015)

75% (2007)

45% (2010)

54% (2015)

70% (2012)

80% (2007)

22% (2015)

60% (2011)

10% (2008)

70% (2006)

10% (2010)

30% (2004)