20% (2007)

57% (2011)

0% (2019)

30% (2012)

78% (2017)

59% (2017)

40% (2008)

78% (2013)

73% (2019)

15% (2019)

75% (2012)

64% (2010)

60% (2008)

81% (2010)

58% (2015)

69% (2014)

80% (2018)

20% (2006)

90% (2013)

61% (2015)