42% (2011)

48% (2012)

43% (2016)

60% (2018)

43% (2012)

37% (2014)

52% (2018)

47% (2017)

44% (2011)

47% (2016)

51% (2009)

41% (2006)

34% (2006)

57% (2011)

39% (2009)

35% (2011)

51% (2011)

33% (1998)

51% (2012)

41% (2010)