68% (2006)

72% (2013)

80% (2019)

65% (1993)

65% (2012)

59% (1982)

67% (2001)

67% (2013)

63% (2010)

65% (2007)

70% (2009)

66% (2002)

61% (2018)

54% (1993)

67% (2023)

66% (1973)

55% (2018)

61% (2017)

77% (2016)

75% (1984)