64% (2013)

58% (2015)

65% (2010)

49% (2012)

60% (2009)

41% (2011)

50% (2018)

41% (2005)

52% (1988)

46% (2007)

39% (2014)

46% (2008)

52% (1992)

52% (2020)

55% (2015)

51% (2016)

44% (2008)

50% (2015)

52% (2007)

62% (1992)