67% (2019)

70% (2012)

67% (2002)

64% (2010)

66% (2023)

63% (1995)

65% (2016)

65% (2010)

65% (2007)

68% (2004)

55% (2019)

63% (2018)

70% (2012)

63% (2004)

55% (1981)

0% (1970)

0% (1990)

60% (2009)

59% (2001)

63% (2006)