76% (2021)

64% (1997)

64% (2011)

48% (2004)

34% (2014)

55% (2005)

53% (2002)

70% (1989)

59% (2010)

55% (2000)

48% (2011)

59% (1994)

35% (2011)

63% (2014)

74% (2008)

65% (2016)

41% (2010)

57% (2013)

60% (2009)

67% (1999)