66% (2010)

63% (2013)

58% (2015)

39% (2014)

58% (2017)

49% (2012)

53% (2020)

51% (2007)

47% (2008)

41% (2005)

60% (2009)

43% (2009)

50% (2018)

42% (2011)

46% (2008)

53% (2011)

42% (2011)

41% (2011)

48% (2010)

43% (2012)