75% (2021)

72% (1992)

59% (2010)

63% (2011)

64% (1997)

34% (2014)

59% (2009)

60% (2005)

49% (2004)

36% (2011)

65% (2016)

55% (2013)

58% (1994)

63% (2009)

52% (2002)

41% (2010)

49% (2013)

73% (2008)

60% (1997)

60% (1986)