66% (2010)

63% (2013)

58% (2015)

49% (2012)

46% (2008)

49% (2010)

39% (2014)

58% (2008)

42% (2011)

34% (2008)

50% (2018)

52% (2020)

77% (2007)

43% (2012)

45% (2008)

42% (2009)

55% (2015)

47% (2016)

46% (2007)

47% (2010)