53% (2015)

39% (2011)

66% (2009)

56% (2010)

48% (2014)

59% (2012)

55% (2011)

56% (2011)

47% (2014)

46% (2010)

41% (2009)

47% (2014)

44% (2016)

42% (2009)

20% (2008)

50% (2013)

66% (2008)

44% (2009)

53% (2013)

50% (2009)