62% (2015)

74% (2012)

62% (2012)

57% (2011)

43% (2012)

63% (2015)

80% (2008)

63% (2011)

70% (2007)

58% (2013)

46% (1997)

50% (2011)

0% (2018)

60% (2009)

31% (2013)