76% (2021)

64% (1997)

64% (2011)

34% (2014)

55% (2005)

53% (2002)

59% (2010)

49% (2004)

55% (2000)

59% (1994)

65% (2016)

70% (1989)

35% (2011)

64% (2021)

60% (2009)

63% (2014)

46% (2013)

64% (2017)

62% (2003)

74% (2008)